309875184064 has 14 divisors (see below), whose sum is σ = 614908568504. Its totient is φ = 154937592000.

The previous prime is 309875184043. The next prime is 309875184077. The reversal of 309875184064 is 460481578903.

It is a junction number, because it is equal to n+sod(n) for n = 309875183996 and 309875184014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2420899812 + ... + 2420899939.

Almost surely, 2^309875184064 is an apocalyptic number.

It is an amenable number.

309875184064 is a deficient number, since it is larger than the sum of its proper divisors (305033384440).

309875184064 is an equidigital number, since it uses as much as digits as its factorization.

309875184064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841799763 (or 4841799753 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 309875184064 in words is "three hundred nine billion, eight hundred seventy-five million, one hundred eighty-four thousand, sixty-four".