306993951672 has 16 divisors (see below), whose sum is σ = 767484879240. Its totient is φ = 102331317216.

The previous prime is 306993951629. The next prime is 306993951679. The reversal of 306993951672 is 276159399603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306993951679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6395707303 + ... + 6395707350.

Almost surely, 2^306993951672 is an apocalyptic number.

It is an amenable number.

306993951672 is an abundant number, since it is smaller than the sum of its proper divisors (460490927568).

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

306993951672 is a wasteful number, since it uses less digits than its factorization.

306993951672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791414662 (or 12791414658 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 60.

The spelling of 306993951672 in words is "three hundred six billion, nine hundred ninety-three million, nine hundred fifty-one thousand, six hundred seventy-two".