10645440634625 has 16 divisors (see below), whose sum is σ = 13287796301520. Its totient is φ = 8514886873600.

The previous prime is 10645440634589. The next prime is 10645440634669. The reversal of 10645440634625 is 52643604454601.

It is a happy number.

10645440634625 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 8 ways, for example, as 4860102430096 + 5785338204529 = 2204564^2 + 2405273^2 .

It is not a de Polignac number, because 10645440634625 - 2⁶ = 10645440634561 is a prime.

It is a super-2 number, since 2×10645440634625² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6598640 + ... + 8051889.

It is an arithmetic number, because the mean of its divisors is an integer number (830487268845).

Almost surely, 2^{10645440634625} is an apocalyptic number.

It is an amenable number.

10645440634625 is a deficient number, since it is larger than the sum of its proper divisors (2642355666895).

10645440634625 is an equidigital number, since it uses as much as digits as its factorization.

10645440634625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14656357 (or 14656347 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 50.

The spelling of 10645440634625 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred thirty-four thousand, six hundred twenty-five".