381734711765 has 16 divisors (see below), whose sum is σ = 529121056320. Its totient is φ = 261294347520.

The previous prime is 381734711759. The next prime is 381734711777. The reversal of 381734711765 is 567117437183.

It is not a de Polignac number, because 381734711765 - 2¹⁶ = 381734646229 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 204135275 + ... + 204137144.

It is an arithmetic number, because the mean of its divisors is an integer number (33070066020).

Almost surely, 2^381734711765 is an apocalyptic number.

It is an amenable number.

381734711765 is a deficient number, since it is larger than the sum of its proper divisors (147386344555).

381734711765 is a wasteful number, since it uses less digits than its factorization.

381734711765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408272452.

The product of its digits is 2963520, while the sum is 53.

The spelling of 381734711765 in words is "three hundred eighty-one billion, seven hundred thirty-four million, seven hundred eleven thousand, seven hundred sixty-five".