10439688657 has 16 divisors (see below), whose sum is σ = 14226857280. Its totient is φ = 6807432000.

The previous prime is 10439688647. The next prime is 10439688709. The reversal of 10439688657 is 75688693401.

10439688657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10439688657 - 2⁴ = 10439688641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10439688597 and 10439688606.

It is not an unprimeable number, because it can be changed into a prime (10439688617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126594 + ... + 192107.

It is an arithmetic number, because the mean of its divisors is an integer number (889178580).

Almost surely, 2^10439688657 is an apocalyptic number.

It is an amenable number.

10439688657 is a deficient number, since it is larger than the sum of its proper divisors (3787168623).

10439688657 is a wasteful number, since it uses less digits than its factorization.

10439688657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318944.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 10439688657 in words is "ten billion, four hundred thirty-nine million, six hundred eighty-eight thousand, six hundred fifty-seven".