381275520327 has 12 divisors (see below), whose sum is σ = 593095254024. Its totient is φ = 234631089360.

The previous prime is 381275520289. The next prime is 381275520347. The reversal of 381275520327 is 723025572183.

381275520327 is a `hidden beast` number, since 3 + 8 + 1 + 275 + 52 + 0 + 327 = 666.

It is not a de Polignac number, because 381275520327 - 2²³ = 381267131719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381275520347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1629382449 + ... + 1629382682.

It is an arithmetic number, because the mean of its divisors is an integer number (49424604502).

Almost surely, 2^381275520327 is an apocalyptic number.

381275520327 is a deficient number, since it is larger than the sum of its proper divisors (211819733697).

381275520327 is a wasteful number, since it uses less digits than its factorization.

381275520327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258765150 (or 3258765147 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 381275520327 in words is "three hundred eighty-one billion, two hundred seventy-five million, five hundred twenty thousand, three hundred twenty-seven".