381275043886 has 16 divisors (see below), whose sum is σ = 660604889520. Its totient is φ = 163112318080.

The previous prime is 381275043859. The next prime is 381275043913. The reversal of 381275043886 is 688340572183.

It is an interprime number because it is at equal distance from previous prime (381275043859) and next prime (381275043913).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509725621 + ... + 509726368.

It is an arithmetic number, because the mean of its divisors is an integer number (41287805595).

Almost surely, 2^381275043886 is an apocalyptic number.

381275043886 is a deficient number, since it is larger than the sum of its proper divisors (279329845634).

381275043886 is a wasteful number, since it uses less digits than its factorization.

381275043886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019452019.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 381275043886 in words is "three hundred eighty-one billion, two hundred seventy-five million, forty-three thousand, eight hundred eighty-six".