30197862492 has 36 divisors (see below), whose sum is σ = 81965628360. Its totient is φ = 8627960544.

The previous prime is 30197862491. The next prime is 30197862509. The reversal of 30197862492 is 29426879103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30197862491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25677867 + ... + 25679042.

It is an arithmetic number, because the mean of its divisors is an integer number (2276823010).

Almost surely, 2^30197862492 is an apocalyptic number.

It is an amenable number.

30197862492 is an abundant number, since it is smaller than the sum of its proper divisors (51767765868).

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

30197862492 is a wasteful number, since it uses less digits than its factorization.

30197862492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51356930 (or 51356921 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 30197862492 in words is "thirty billion, one hundred ninety-seven million, eight hundred sixty-two thousand, four hundred ninety-two".