3818519300856 has 32 divisors (see below), whose sum is σ = 10280628887760. Its totient is φ = 1174929015552.

The previous prime is 3818519300819. The next prime is 3818519300861. The reversal of 3818519300856 is 6580039158183.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3818519300796 and 3818519300805.

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, 6119421645 + ... + 6119422268.

Almost surely, 2^{3818519300856} is an apocalyptic number.

It is an amenable number.

3818519300856 is an abundant number, since it is smaller than the sum of its proper divisors (6462109586904).

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

3818519300856 is a wasteful number, since it uses less digits than its factorization.

3818519300856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12238843935 (or 12238843931 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 57.

The spelling of 3818519300856 in words is "three trillion, eight hundred eighteen billion, five hundred nineteen million, three hundred thousand, eight hundred fifty-six".