30709994007 has 32 divisors (see below), whose sum is σ = 51915663360. Its totient is φ = 15682842720.

The previous prime is 30709993991. The next prime is 30709994041. The reversal of 30709994007 is 70049990703.

It is not a de Polignac number, because 30709994007 - 2⁴ = 30709993991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30709994207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1113013 + ... + 1140270.

It is an arithmetic number, because the mean of its divisors is an integer number (1622364480).

Almost surely, 2^30709994007 is an apocalyptic number.

30709994007 is a deficient number, since it is larger than the sum of its proper divisors (21205669353).

30709994007 is a wasteful number, since it uses less digits than its factorization.

30709994007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253363.

The product of its (nonzero) digits is 428652, while the sum is 48.

The spelling of 30709994007 in words is "thirty billion, seven hundred nine million, nine hundred ninety-four thousand, seven".