30898939908 has 48 divisors (see below), whose sum is σ = 74364151680. Its totient is φ = 9978234624.

The previous prime is 30898939901. The next prime is 30898939909. The reversal of 30898939908 is 80993989803.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30898939901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45888 + ... + 252791.

It is an arithmetic number, because the mean of its divisors is an integer number (1549253160).

Almost surely, 2^30898939908 is an apocalyptic number.

It is an amenable number.

30898939908 is an abundant number, since it is smaller than the sum of its proper divisors (43465211772).

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

30898939908 is a wasteful number, since it uses less digits than its factorization.

30898939908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298956 (or 298954 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 30898939908 in words is "thirty billion, eight hundred ninety-eight million, nine hundred thirty-nine thousand, nine hundred eight".