38323949864 has 32 divisors (see below), whose sum is σ = 77853726720. Its totient is φ = 17615383296.

The previous prime is 38323949863. The next prime is 38323949869. The reversal of 38323949864 is 46894932383.

It is not an unprimeable number, because it can be changed into a prime (38323949863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270824 + ... + 3282519.

It is an arithmetic number, because the mean of its divisors is an integer number (2432928960).

Almost surely, 2^38323949864 is an apocalyptic number.

38323949864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38323949864 is an abundant number, since it is smaller than the sum of its proper divisors (39529776856).

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

38323949864 is a wasteful number, since it uses less digits than its factorization.

38323949864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553409 (or 6553405 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 59.

The spelling of 38323949864 in words is "thirty-eight billion, three hundred twenty-three million, nine hundred forty-nine thousand, eight hundred sixty-four".