30496684689 has 9 divisors (see below), whose sum is σ = 44051523529. Its totient is φ = 20330773860.

The previous prime is 30496684679. The next prime is 30496684697. The reversal of 30496684689 is 98648669403.

The square root of 30496684689 is 174633.

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

30496684689 is a `hidden beast` number, since 3 + 0 + 496 + 6 + 84 + 68 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 30496684689 - 2¹⁵ = 30496651921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30496684679) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 494794 + ... + 553004.

Almost surely, 2^30496684689 is an apocalyptic number.

30496684689 is the 174633-rd square number.

30496684689 is the 87317-th centered octagonal number.

It is an amenable number.

30496684689 is a deficient number, since it is larger than the sum of its proper divisors (13554838840).

30496684689 is an frugal number, since it uses more digits than its factorization.

30496684689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116428 (or 58214 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 63.

The spelling of 30496684689 in words is "thirty billion, four hundred ninety-six million, six hundred eighty-four thousand, six hundred eighty-nine".