30790618794 has 36 divisors (see below), whose sum is σ = 71851040898. Its totient is φ = 9473210640.

The previous prime is 30790618783. The next prime is 30790618847. The reversal of 30790618794 is 49781609703.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29606364225 + 1184254569 = 172065^2 + 34413^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30790618794.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2678479 + ... + 2689949.

Almost surely, 2^30790618794 is an apocalyptic number.

30790618794 is an abundant number, since it is smaller than the sum of its proper divisors (41060422104).

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

30790618794 is an equidigital number, since it uses as much as digits as its factorization.

30790618794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22963 (or 11489 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 30790618794 in words is "thirty billion, seven hundred ninety million, six hundred eighteen thousand, seven hundred ninety-four".