381940694375 has 20 divisors (see below), whose sum is σ = 479375794392. Its totient is φ = 304206396000.

The previous prime is 381940694299. The next prime is 381940694389. The reversal of 381940694375 is 573496049183.

It is not a de Polignac number, because 381940694375 - 2¹⁸ = 381940432231 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1204172 + ... + 1487921.

Almost surely, 2^381940694375 is an apocalyptic number.

381940694375 is a deficient number, since it is larger than the sum of its proper divisors (97435100017).

381940694375 is an equidigital number, since it uses as much as digits as its factorization.

381940694375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692340 (or 2692325 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 381940694375 in words is "three hundred eighty-one billion, nine hundred forty million, six hundred ninety-four thousand, three hundred seventy-five".