30909816508 has 12 divisors (see below), whose sum is σ = 54101997432. Its totient is φ = 15452102960.

The previous prime is 30909816491. The next prime is 30909816571. The reversal of 30909816508 is 80561890903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676435 + ... + 720682.

It is an arithmetic number, because the mean of its divisors is an integer number (4508499786).

Almost surely, 2^30909816508 is an apocalyptic number.

It is an amenable number.

30909816508 is a deficient number, since it is larger than the sum of its proper divisors (23192180924).

30909816508 is a wasteful number, since it uses less digits than its factorization.

30909816508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402652 (or 1402650 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 30909816508 in words is "thirty billion, nine hundred nine million, eight hundred sixteen thousand, five hundred eight".