304557989649868 has 24 divisors (see below), whose sum is σ = 565038711407744. Its totient is φ = 143383883529600.

The previous prime is 304557989649853. The next prime is 304557989649913. The reversal of 304557989649868 is 868946989755403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33190709193 + ... + 33190718368.

Almost surely, 2^{304557989649868} is an apocalyptic number.

It is an amenable number.

304557989649868 is a deficient number, since it is larger than the sum of its proper divisors (260480721757876).

304557989649868 is a wasteful number, since it uses less digits than its factorization.

304557989649868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66381427633 (or 66381427631 counting only the distinct ones).

The product of its (nonzero) digits is 112870195200, while the sum is 91.

The spelling of 304557989649868 in words is "three hundred four trillion, five hundred fifty-seven billion, nine hundred eighty-nine million, six hundred forty-nine thousand, eight hundred sixty-eight".