26068362849 has 9 divisors (see below), whose sum is σ = 37655001553. Its totient is φ = 17378585652.

The previous prime is 26068362829. The next prime is 26068362857. The reversal of 26068362849 is 94826386062.

The square root of 26068362849 is 161457.

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

26068362849 is a `hidden beast` number, since 2 + 6 + 0 + 6 + 8 + 3 + 628 + 4 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 26068362849 - 2⁷ = 26068362721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26068362795 and 26068362804.

It is not an unprimeable number, because it can be changed into a prime (26068362829) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 457462 + ... + 511280.

Almost surely, 2^26068362849 is an apocalyptic number.

26068362849 is the 161457-th square number.

26068362849 is the 80729-th centered octagonal number.

It is an amenable number.

26068362849 is a deficient number, since it is larger than the sum of its proper divisors (11586638704).

26068362849 is an frugal number, since it uses more digits than its factorization.

26068362849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107644 (or 53822 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 26068362849 in words is "twenty-six billion, sixty-eight million, three hundred sixty-two thousand, eight hundred forty-nine".