30566454868 has 6 divisors (see below), whose sum is σ = 53491296026. Its totient is φ = 15283227432.

The previous prime is 30566454823. The next prime is 30566454889. The reversal of 30566454868 is 86845466503.

It can be written as a sum of positive squares in only one way, i.e., 19442955844 + 11123499024 = 139438^2 + 105468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820806855 + ... + 3820806862.

Almost surely, 2^30566454868 is an apocalyptic number.

It is an amenable number.

30566454868 is a deficient number, since it is larger than the sum of its proper divisors (22924841158).

30566454868 is a wasteful number, since it uses less digits than its factorization.

30566454868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641613721 (or 7641613719 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 55.

The spelling of 30566454868 in words is "thirty billion, five hundred sixty-six million, four hundred fifty-four thousand, eight hundred sixty-eight".