938942249839 has 32 divisors (see below), whose sum is σ = 1059251489280. Its totient is φ = 824960169600.

The previous prime is 938942249807. The next prime is 938942249879.

938942249839 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 938942249839 - 2⁵ = 938942249807 is a prime.

It is a super-2 number, since 2×938942249839² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938942249879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106608774 + ... + 106617580.

It is an arithmetic number, because the mean of its divisors is an integer number (33101609040).

Almost surely, 2^938942249839 is an apocalyptic number.

938942249839 is a deficient number, since it is larger than the sum of its proper divisors (120309239441).

938942249839 is a wasteful number, since it uses less digits than its factorization.

938942249839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631.

The product of its digits is 241864704, while the sum is 70.

The spelling of 938942249839 in words is "nine hundred thirty-eight billion, nine hundred forty-two million, two hundred forty-nine thousand, eight hundred thirty-nine".