30989047058 has 6 divisors (see below), whose sum is σ = 46483944021. Its totient is φ = 15494399052.

The previous prime is 30989047051. The next prime is 30989047087. The reversal of 30989047058 is 85074098903.

It can be written as a sum of positive squares in 2 ways, for example, as 26472266209 + 4516780849 = 162703^2 + 67207^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=124477.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30989047051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 186716 + ... + 311192.

Almost surely, 2^30989047058 is an apocalyptic number.

30989047058 is a deficient number, since it is larger than the sum of its proper divisors (15494896963).

30989047058 is an frugal number, since it uses more digits than its factorization.

30989047058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248956 (or 124479 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 30989047058 in words is "thirty billion, nine hundred eighty-nine million, forty-seven thousand, fifty-eight".