10623644265 has 64 divisors (see below), whose sum is σ = 18566102016. Its totient is φ = 5156097792.

The previous prime is 10623644243. The next prime is 10623644281. The reversal of 10623644265 is 56244632601.

It is not a de Polignac number, because 10623644265 - 2⁹ = 10623643753 is a prime.

It is a super-2 number, since 2×10623644265² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4735234 + ... + 4737476.

It is an arithmetic number, because the mean of its divisors is an integer number (290095344).

Almost surely, 2^10623644265 is an apocalyptic number.

10623644265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10623644265 is a deficient number, since it is larger than the sum of its proper divisors (7942457751).

10623644265 is a wasteful number, since it uses less digits than its factorization.

10623644265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 10623644265 in words is "ten billion, six hundred twenty-three million, six hundred forty-four thousand, two hundred sixty-five".