381292075913 has 6 divisors (see below), whose sum is σ = 443543843466. Its totient is φ = 326821779312.

The previous prime is 381292075907. The next prime is 381292075919. The reversal of 381292075913 is 319570292183.

It is an interprime number because it is at equal distance from previous prime (381292075907) and next prime (381292075919).

It can be written as a sum of positive squares in only one way, i.e., 218885493904 + 162406582009 = 467852^2 + 402997^2 .

It is not a de Polignac number, because 381292075913 - 2⁶ = 381292075849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381292075919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890735420 + ... + 3890735517.

It is an arithmetic number, because the mean of its divisors is an integer number (73923973911).

Almost surely, 2^381292075913 is an apocalyptic number.

It is an amenable number.

381292075913 is a deficient number, since it is larger than the sum of its proper divisors (62251767553).

381292075913 is an equidigital number, since it uses as much as digits as its factorization.

381292075913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781470951 (or 7781470944 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 381292075913 in words is "three hundred eighty-one billion, two hundred ninety-two million, seventy-five thousand, nine hundred thirteen".