626312313009 has 48 divisors (see below), whose sum is σ = 924352670592. Its totient is φ = 408505503744.

The previous prime is 626312313001. The next prime is 626312313017. The reversal of 626312313009 is 900313213626.

It is a happy number.

626312313009 is a `hidden beast` number, since 6 + 2 + 6 + 312 + 31 + 300 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (626312313001) and next prime (626312313017).

It is not a de Polignac number, because 626312313009 - 2³ = 626312313001 is a prime.

It is a super-2 number, since 2×626312313009² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (626312313001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 432834324 + ... + 432835770.

It is an arithmetic number, because the mean of its divisors is an integer number (19257347304).

Almost surely, 2^626312313009 is an apocalyptic number.

It is an amenable number.

626312313009 is a deficient number, since it is larger than the sum of its proper divisors (298040357583).

626312313009 is a wasteful number, since it uses less digits than its factorization.

626312313009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 626312313009 in words is "six hundred twenty-six billion, three hundred twelve million, three hundred thirteen thousand, nine".