381582715973716 has 12 divisors (see below), whose sum is σ = 685817584115188. Its totient is φ = 185634834797952.

The previous prime is 381582715973659. The next prime is 381582715973783. The reversal of 381582715973716 is 617379517285183.

It can be written as a sum of positive squares in 2 ways, for example, as 367387152683716 + 14195563290000 = 19167346^2 + 3767700^2 .

It is a hoax number, since the sum of its digits (73) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1289130797061 + ... + 1289130797356.

Almost surely, 2^{381582715973716} is an apocalyptic number.

It is an amenable number.

381582715973716 is a deficient number, since it is larger than the sum of its proper divisors (304234868141472).

381582715973716 is a wasteful number, since it uses less digits than its factorization.

381582715973716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578261594458 (or 2578261594456 counting only the distinct ones).

The product of its digits is 533433600, while the sum is 73.

The spelling of 381582715973716 in words is "three hundred eighty-one trillion, five hundred eighty-two billion, seven hundred fifteen million, nine hundred seventy-three thousand, seven hundred sixteen".