256613319848 has 16 divisors (see below), whose sum is σ = 483307601280. Its totient is φ = 127731292848.

The previous prime is 256613319829. The next prime is 256613319863. The reversal of 256613319848 is 848913316652.

256613319848 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 256613319793 and 256613319802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71918990 + ... + 71922557.

It is an arithmetic number, because the mean of its divisors is an integer number (30206725080).

Almost surely, 2^256613319848 is an apocalyptic number.

It is an amenable number.

256613319848 is a deficient number, since it is larger than the sum of its proper divisors (226694281432).

256613319848 is a wasteful number, since it uses less digits than its factorization.

256613319848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143841776 (or 143841772 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The spelling of 256613319848 in words is "two hundred fifty-six billion, six hundred thirteen million, three hundred nineteen thousand, eight hundred forty-eight".