38873749379 has 4 divisors (see below), whose sum is σ = 39021558576. Its totient is φ = 38725940184.

The previous prime is 38873749373. The next prime is 38873749459. The reversal of 38873749379 is 97394737883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38873749379 - 2²⁴ = 38856972163 is a prime.

It is a super-2 number, since 2×38873749379² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38873749373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73904204 + ... + 73904729.

It is an arithmetic number, because the mean of its divisors is an integer number (9755389644).

Almost surely, 2^38873749379 is an apocalyptic number.

38873749379 is a deficient number, since it is larger than the sum of its proper divisors (147809197).

38873749379 is a wasteful number, since it uses less digits than its factorization.

38873749379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147809196.

The product of its digits is 192036096, while the sum is 68.

The spelling of 38873749379 in words is "thirty-eight billion, eight hundred seventy-three million, seven hundred forty-nine thousand, three hundred seventy-nine".