30873733925 has 6 divisors (see below), whose sum is σ = 38283430098. Its totient is φ = 24698987120.

The previous prime is 30873733921. The next prime is 30873733927. The reversal of 30873733925 is 52933737803.

It can be written as a sum of positive squares in 3 ways, for example, as 291419041 + 30582314884 = 17071^2 + 174878^2 .

It is not a de Polignac number, because 30873733925 - 2² = 30873733921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30873733921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617474654 + ... + 617474703.

It is an arithmetic number, because the mean of its divisors is an integer number (6380571683).

Almost surely, 2^30873733925 is an apocalyptic number.

It is an amenable number.

30873733925 is a deficient number, since it is larger than the sum of its proper divisors (7409696173).

30873733925 is a wasteful number, since it uses less digits than its factorization.

30873733925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234949367 (or 1234949362 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 50.

The spelling of 30873733925 in words is "thirty billion, eight hundred seventy-three million, seven hundred thirty-three thousand, nine hundred twenty-five".