381943241924 has 6 divisors (see below), whose sum is σ = 668400673374. Its totient is φ = 190971620960.

The previous prime is 381943241921. The next prime is 381943241983. The reversal of 381943241924 is 429142349183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 343358497024 + 38584744900 = 585968^2 + 196430^2 .

It is not an unprimeable number, because it can be changed into a prime (381943241921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47742905237 + ... + 47742905244.

It is an arithmetic number, because the mean of its divisors is an integer number (111400112229).

Almost surely, 2^381943241924 is an apocalyptic number.

It is an amenable number.

381943241924 is a deficient number, since it is larger than the sum of its proper divisors (286457431450).

381943241924 is a wasteful number, since it uses less digits than its factorization.

381943241924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95485810485 (or 95485810483 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The spelling of 381943241924 in words is "three hundred eighty-one billion, nine hundred forty-three million, two hundred forty-one thousand, nine hundred twenty-four".