30493139058 has 54 divisors (see below), whose sum is σ = 67044046797. Its totient is φ = 10016454240.

The previous prime is 30493139051. The next prime is 30493139069. The reversal of 30493139058 is 85093139403.

It can be written as a sum of positive squares in 2 ways, for example, as 29037182409 + 1455956649 = 170403^2 + 38157^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=123477.

It is a super-2 number, since 2×30493139058² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30493139051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58527838 + ... + 58528358.

Almost surely, 2^30493139058 is an apocalyptic number.

30493139058 is an abundant number, since it is smaller than the sum of its proper divisors (36550907739).

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

30493139058 is an frugal number, since it uses more digits than its factorization.

30493139058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 30493139058 in words is "thirty billion, four hundred ninety-three million, one hundred thirty-nine thousand, fifty-eight".