613812906875 has 20 divisors (see below), whose sum is σ = 876594987312. Its totient is φ = 420900276000.

The previous prime is 613812906821. The next prime is 613812906907. The reversal of 613812906875 is 578609218316.

It is not a de Polignac number, because 613812906875 - 2¹² = 613812902779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613812906875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70145672 + ... + 70154421.

Almost surely, 2^613812906875 is an apocalyptic number.

613812906875 is a deficient number, since it is larger than the sum of its proper divisors (262782080437).

613812906875 is an equidigital number, since it uses as much as digits as its factorization.

613812906875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140300120 (or 140300105 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 613812906875 in words is "six hundred thirteen billion, eight hundred twelve million, nine hundred six thousand, eight hundred seventy-five".