30505985092 has 12 divisors (see below), whose sum is σ = 58238698896. Its totient is φ = 13866356840.

The previous prime is 30505985063. The next prime is 30505985113. The reversal of 30505985092 is 29058950503.

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, 346658878 + ... + 346658965.

It is an arithmetic number, because the mean of its divisors is an integer number (4853224908).

Almost surely, 2^30505985092 is an apocalyptic number.

It is an amenable number.

30505985092 is a deficient number, since it is larger than the sum of its proper divisors (27732713804).

30505985092 is a wasteful number, since it uses less digits than its factorization.

30505985092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693317858 (or 693317856 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 30505985092 in words is "thirty billion, five hundred five million, nine hundred eighty-five thousand, ninety-two".