38339343905 has 16 divisors (see below), whose sum is σ = 46625317200. Its totient is φ = 30260904960.

The previous prime is 38339343901. The next prime is 38339343919. The reversal of 38339343905 is 50934393383.

It can be written as a sum of positive squares in 8 ways, for example, as 12281958976 + 26057384929 = 110824^2 + 161423^2 .

It is not a de Polignac number, because 38339343905 - 2² = 38339343901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38339343901) 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 15 ways as a sum of consecutive naturals, for example, 111701 + ... + 298589.

It is an arithmetic number, because the mean of its divisors is an integer number (2914082325).

Almost surely, 2^38339343905 is an apocalyptic number.

It is an amenable number.

38339343905 is a deficient number, since it is larger than the sum of its proper divisors (8285973295).

38339343905 is a wasteful number, since it uses less digits than its factorization.

38339343905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187444.

The product of its (nonzero) digits is 3149280, while the sum is 50.

The spelling of 38339343905 in words is "thirty-eight billion, three hundred thirty-nine million, three hundred forty-three thousand, nine hundred five".