30929929646 has 128 divisors (see below), whose sum is σ = 64143360000. Its totient is φ = 11046520800.

The previous prime is 30929929633. The next prime is 30929929651. The reversal of 30929929646 is 64692992903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4441115 + ... + 4448073.

It is an arithmetic number, because the mean of its divisors is an integer number (501120000).

Almost surely, 2^30929929646 is an apocalyptic number.

30929929646 is an abundant number, since it is smaller than the sum of its proper divisors (33213430354).

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

30929929646 is a wasteful number, since it uses less digits than its factorization.

30929929646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 59.

The spelling of 30929929646 in words is "thirty billion, nine hundred twenty-nine million, nine hundred twenty-nine thousand, six hundred forty-six".