10694763981225 has 45 divisors (see below), whose sum is σ = 19810672448853. Its totient is φ = 5703795636480.

The previous prime is 10694763981197. The next prime is 10694763981227. The reversal of 10694763981225 is 52218936749601.

The square root of 10694763981225 is 3270285.

It is a perfect power (a square), and thus also a powerful number.

10694763981225 is a `hidden beast` number, since 1 + 0 + 6 + 9 + 476 + 39 + 8 + 122 + 5 = 666.

10694763981225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 346163959449 + 10348600021776 = 588357^2 + 3216924^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 10694763981225 - 2⁵ = 10694763981193 is a prime.

It is a super-2 number, since 2×10694763981225² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10694763981227) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 147126489 + ... + 147199161.

It is a 3-persistent number, because k⋅10694763981225 is pandigital for 1 ≤ k ≤ 3, but not for k = 4.

Almost surely, 2^{10694763981225} is an apocalyptic number.

10694763981225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10694763981225 is the 3270285-th square number.

10694763981225 is the 1635143-rd centered octagonal number.

It is an amenable number.

10694763981225 is a deficient number, since it is larger than the sum of its proper divisors (9115908467628).

10694763981225 is an frugal number, since it uses more digits than its factorization.

10694763981225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145368 (or 72681 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 10694763981225 in words is "ten trillion, six hundred ninety-four billion, seven hundred sixty-three million, nine hundred eighty-one thousand, two hundred twenty-five".