10643465025 has 18 divisors (see below), whose sum is σ = 19063628870. Its totient is φ = 5676514560.

The previous prime is 10643464879. The next prime is 10643465033. The reversal of 10643465025 is 52056434601.

10643465025 is a `hidden beast` number, since 1 + 0 + 643 + 4 + 6 + 5 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 80353296 + 10563111729 = 8964^2 + 102777^2 .

It is not a de Polignac number, because 10643465025 - 2¹⁵ = 10643432257 is a prime.

It is a super-2 number, since 2×10643465025² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23651920 + ... + 23652369.

Almost surely, 2^10643465025 is an apocalyptic number.

10643465025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10643465025 is a deficient number, since it is larger than the sum of its proper divisors (8420163845).

10643465025 is a wasteful number, since it uses less digits than its factorization.

10643465025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47304305 (or 47304297 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 10643465025 its reverse (52056434601), we get a palindrome (62699899626).

The spelling of 10643465025 in words is "ten billion, six hundred forty-three million, four hundred sixty-five thousand, twenty-five".