30737888613 has 16 divisors (see below), whose sum is σ = 45896181760. Its totient is φ = 20330569728.

The previous prime is 30737888611. The next prime is 30737888651. The reversal of 30737888613 is 31688873703.

It is not a de Polignac number, because 30737888613 - 2¹ = 30737888611 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30737888613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30737888611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4478620 + ... + 4485477.

It is an arithmetic number, because the mean of its divisors is an integer number (2868511360).

Almost surely, 2^30737888613 is an apocalyptic number.

It is an amenable number.

30737888613 is a deficient number, since it is larger than the sum of its proper divisors (15158293147).

30737888613 is a wasteful number, since it uses less digits than its factorization.

30737888613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964233 (or 8964227 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 30737888613 in words is "thirty billion, seven hundred thirty-seven million, eight hundred eighty-eight thousand, six hundred thirteen".