30494589129 has 15 divisors (see below), whose sum is σ = 45555993373. Its totient is φ = 20328678324.

The previous prime is 30494589127. The next prime is 30494589161. The reversal of 30494589129 is 92198549403.

The square root of 30494589129 is 174627.

It is a perfect power (a square), and thus also a powerful number.

30494589129 is a `hidden beast` number, since 3 + 0 + 49 + 4 + 589 + 12 + 9 = 666.

It is not a de Polignac number, because 30494589129 - 2¹ = 30494589127 is a prime.

It is a super-2 number, since 2×30494589129² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30494589127) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1561942 + ... + 1581344.

Almost surely, 2^30494589129 is an apocalyptic number.

30494589129 is the 174627-th square number.

30494589129 is the 87314-th centered octagonal number.

It is an amenable number.

30494589129 is a deficient number, since it is larger than the sum of its proper divisors (15061404244).

30494589129 is an frugal number, since it uses more digits than its factorization.

30494589129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38818 (or 19406 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 30494589129 in words is "thirty billion, four hundred ninety-four million, five hundred eighty-nine thousand, one hundred twenty-nine".