438953433836 has 12 divisors (see below), whose sum is σ = 769827623712. Its totient is φ = 219002684208.

The previous prime is 438953433823. The next prime is 438953433869. The reversal of 438953433836 is 638334359834.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118506095 + ... + 118509798.

It is an arithmetic number, because the mean of its divisors is an integer number (64152301976).

Almost surely, 2^438953433836 is an apocalyptic number.

It is an amenable number.

438953433836 is a deficient number, since it is larger than the sum of its proper divisors (330874189876).

438953433836 is a wasteful number, since it uses less digits than its factorization.

438953433836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237016360 (or 237016358 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 59.

The spelling of 438953433836 in words is "four hundred thirty-eight billion, nine hundred fifty-three million, four hundred thirty-three thousand, eight hundred thirty-six".