30893434472 has 8 divisors (see below), whose sum is σ = 57925189650. Its totient is φ = 15446717232.

The previous prime is 30893434463. The next prime is 30893434483. The reversal of 30893434472 is 27443439803.

It can be written as a sum of positive squares in only one way, i.e., 24588121636 + 6305312836 = 156806^2 + 79406^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930839647 + ... + 1930839662.

Almost surely, 2^30893434472 is an apocalyptic number.

It is an amenable number.

30893434472 is a deficient number, since it is larger than the sum of its proper divisors (27031755178).

30893434472 is a wasteful number, since it uses less digits than its factorization.

30893434472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861679315 (or 3861679311 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 30893434472 in words is "thirty billion, eight hundred ninety-three million, four hundred thirty-four thousand, four hundred seventy-two".