630815000917 has 4 divisors (see below), whose sum is σ = 631048034656. Its totient is φ = 630581967180.

The previous prime is 630815000909. The next prime is 630815000929. The reversal of 630815000917 is 719000518036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 630815000917 - 2³ = 630815000909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630815000917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630815000957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116512809 + ... + 116518222.

It is an arithmetic number, because the mean of its divisors is an integer number (157762008664).

Almost surely, 2^630815000917 is an apocalyptic number.

It is an amenable number.

630815000917 is a deficient number, since it is larger than the sum of its proper divisors (233033739).

630815000917 is a wasteful number, since it uses less digits than its factorization.

630815000917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233033738.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 630815000917 in words is "six hundred thirty billion, eight hundred fifteen million, nine hundred seventeen", and thus it is an aban number.