306689137043832 has 48 divisors (see below), whose sum is σ = 836679306378240. Its totient is φ = 101483510064768.

The previous prime is 306689137043803. The next prime is 306689137043833. The reversal of 306689137043832 is 238340731986603.

306689137043832 is a `hidden beast` number, since 3 + 0 + 6 + 68 + 9 + 137 + 0 + 438 + 3 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 306689137043832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306689137043833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15545870968 + ... + 15545890695.

It is an arithmetic number, because the mean of its divisors is an integer number (17430818882880).

Almost surely, 2^{306689137043832} is an apocalyptic number.

It is an amenable number.

306689137043832 is an abundant number, since it is smaller than the sum of its proper divisors (529990169334408).

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

306689137043832 is a wasteful number, since it uses less digits than its factorization.

306689137043832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31091761812 (or 31091761805 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 306689137043832 in words is "three hundred six trillion, six hundred eighty-nine billion, one hundred thirty-seven million, forty-three thousand, eight hundred thirty-two".