30689898708 has 24 divisors (see below), whose sum is σ = 81839730112. Its totient is φ = 8768542464.

The previous prime is 30689898653. The next prime is 30689898721. The reversal of 30689898708 is 80789898603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182677885 + ... + 182678052.

Almost surely, 2^30689898708 is an apocalyptic number.

It is an amenable number.

30689898708 is an abundant number, since it is smaller than the sum of its proper divisors (51149831404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30689898708 is a wasteful number, since it uses less digits than its factorization.

30689898708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365355951 (or 365355949 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 66.

The spelling of 30689898708 in words is "thirty billion, six hundred eighty-nine million, eight hundred ninety-eight thousand, seven hundred eight".