30943889368 has 16 divisors (see below), whose sum is σ = 66308334480. Its totient is φ = 13261666848.

The previous prime is 30943889329. The next prime is 30943889371. The reversal of 30943889368 is 86398834903.

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, 276284671 + ... + 276284782.

It is an arithmetic number, because the mean of its divisors is an integer number (4144270905).

Almost surely, 2^30943889368 is an apocalyptic number.

It is an amenable number.

30943889368 is an abundant number, since it is smaller than the sum of its proper divisors (35364445112).

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

30943889368 is a wasteful number, since it uses less digits than its factorization.

30943889368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552569466 (or 552569462 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 30943889368 in words is "thirty billion, nine hundred forty-three million, eight hundred eighty-nine thousand, three hundred sixty-eight".