382991865434 has 16 divisors (see below), whose sum is σ = 575046319680. Its totient is φ = 191309838720.

The previous prime is 382991865401. The next prime is 382991865491. The reversal of 382991865434 is 434568199283.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11013194 + ... + 11047914.

It is an arithmetic number, because the mean of its divisors is an integer number (35940394980).

Almost surely, 2^382991865434 is an apocalyptic number.

382991865434 is a deficient number, since it is larger than the sum of its proper divisors (192054454246).

382991865434 is a wasteful number, since it uses less digits than its factorization.

382991865434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39925.

The product of its digits is 44789760, while the sum is 62.

The spelling of 382991865434 in words is "three hundred eighty-two billion, nine hundred ninety-one million, eight hundred sixty-five thousand, four hundred thirty-four".