10621258317 has 12 divisors (see below), whose sum is σ = 16244277660. Its totient is φ = 6664318848.

The previous prime is 10621258237. The next prime is 10621258367. The reversal of 10621258317 is 71385212601.

10621258317 is a `hidden beast` number, since 1 + 0 + 62 + 1 + 2 + 583 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4927197636 + 5694060681 = 70194^2 + 75459^2 .

It is not a de Polignac number, because 10621258317 - 2⁷ = 10621258189 is a prime.

It is a super-2 number, since 2×10621258317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621258367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34709842 + ... + 34710147.

It is an arithmetic number, because the mean of its divisors is an integer number (1353689805).

Almost surely, 2^10621258317 is an apocalyptic number.

10621258317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10621258317 is a deficient number, since it is larger than the sum of its proper divisors (5623019343).

10621258317 is a wasteful number, since it uses less digits than its factorization.

10621258317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69420012 (or 69420009 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 10621258317 in words is "ten billion, six hundred twenty-one million, two hundred fifty-eight thousand, three hundred seventeen".