381534570736 has 20 divisors (see below), whose sum is σ = 806425343064. Its totient is φ = 173424804800.

The previous prime is 381534570733. The next prime is 381534570797. The reversal of 381534570736 is 637075435183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381534570733) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1083904855 + ... + 1083905206.

Almost surely, 2^381534570736 is an apocalyptic number.

It is an amenable number.

381534570736 is an abundant number, since it is smaller than the sum of its proper divisors (424890772328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381534570736 is a wasteful number, since it uses less digits than its factorization.

381534570736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167810080 (or 2167810074 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 381534570736 in words is "three hundred eighty-one billion, five hundred thirty-four million, five hundred seventy thousand, seven hundred thirty-six".