38749926979 has 8 divisors (see below), whose sum is σ = 40791423680. Its totient is φ = 36708633000.

The previous prime is 38749926961. The next prime is 38749927001. The reversal of 38749926979 is 97962994783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38749926979 - 2¹³ = 38749918787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38749924979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489304 + ... + 562954.

It is an arithmetic number, because the mean of its divisors is an integer number (5098927960).

Almost surely, 2^38749926979 is an apocalyptic number.

38749926979 is a deficient number, since it is larger than the sum of its proper divisors (2041496701).

38749926979 is a wasteful number, since it uses less digits than its factorization.

38749926979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101361.

The product of its digits is 370355328, while the sum is 73.

The spelling of 38749926979 in words is "thirty-eight billion, seven hundred forty-nine million, nine hundred twenty-six thousand, nine hundred seventy-nine".