10628691257 has 8 divisors (see below), whose sum is σ = 11189124000. Its totient is φ = 10068361344.

The previous prime is 10628691247. The next prime is 10628691277. The reversal of 10628691257 is 75219682601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10628691257 - 2¹⁸ = 10628429113 is a prime.

It is a super-2 number, since 2×10628691257² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10628691247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279458 + ... + 315204.

It is an arithmetic number, because the mean of its divisors is an integer number (1398640500).

Almost surely, 2^10628691257 is an apocalyptic number.

It is an amenable number.

10628691257 is a deficient number, since it is larger than the sum of its proper divisors (560432743).

10628691257 is a wasteful number, since it uses less digits than its factorization.

10628691257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51415.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 10628691257 in words is "ten billion, six hundred twenty-eight million, six hundred ninety-one thousand, two hundred fifty-seven".