30290537668 has 6 divisors (see below), whose sum is σ = 53008440926. Its totient is φ = 15145268832.

The previous prime is 30290537657. The next prime is 30290537681. The reversal of 30290537668 is 86673509203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18400379904 + 11890157764 = 135648^2 + 109042^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3786317205 + ... + 3786317212.

Almost surely, 2^30290537668 is an apocalyptic number.

It is an amenable number.

30290537668 is a deficient number, since it is larger than the sum of its proper divisors (22717903258).

30290537668 is a wasteful number, since it uses less digits than its factorization.

30290537668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572634421 (or 7572634419 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 30290537668 in words is "thirty billion, two hundred ninety million, five hundred thirty-seven thousand, six hundred sixty-eight".