306493746318 has 16 divisors (see below), whose sum is σ = 681097214160. Its totient is φ = 102164582088.

The previous prime is 306493746287. The next prime is 306493746323. The reversal of 306493746318 is 813647394603.

It is a happy number.

306493746318 is a `hidden beast` number, since 30 + 64 + 93 + 7 + 463 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 5675810117 = 306493746318 / (3 + 0 + 6 + 4 + 9 + 3 + 7 + 4 + 6 + 3 + 1 + 8).

It is a congruent number.

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, 2837905005 + ... + 2837905112.

It is an arithmetic number, because the mean of its divisors is an integer number (42568575885).

Almost surely, 2^306493746318 is an apocalyptic number.

306493746318 is an abundant number, since it is smaller than the sum of its proper divisors (374603467842).

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

306493746318 is a wasteful number, since it uses less digits than its factorization.

306493746318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675810128 (or 5675810122 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 306493746318 in words is "three hundred six billion, four hundred ninety-three million, seven hundred forty-six thousand, three hundred eighteen".