38923009138194 has 32 divisors (see below), whose sum is σ = 81980783520000. Its totient is φ = 12285835611984.

The previous prime is 38923009138183. The next prime is 38923009138207. The reversal of 38923009138194 is 49183190032983.

It is an unprimeable number.

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, 78097144 + ... + 78593955.

It is an arithmetic number, because the mean of its divisors is an integer number (2561899485000).

Almost surely, 2^{38923009138194} is an apocalyptic number.

38923009138194 is an abundant number, since it is smaller than the sum of its proper divisors (43057774381806).

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

38923009138194 is a wasteful number, since it uses less digits than its factorization.

38923009138194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156693302.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 38923009138194 in words is "thirty-eight trillion, nine hundred twenty-three billion, nine million, one hundred thirty-eight thousand, one hundred ninety-four".