3439421377931 has 24 divisors (see below), whose sum is σ = 4471138874160. Its totient is φ = 2614701062400.

The previous prime is 3439421377919. The next prime is 3439421377981. The reversal of 3439421377931 is 1397731249343.

It is a de Polignac number, because none of the positive numbers 2^k-3439421377931 is a prime.

It is a super-2 number, since 2×3439421377931² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3439421377981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77796386 + ... + 77840583.

It is an arithmetic number, because the mean of its divisors is an integer number (186297453090).

Almost surely, 2^{3439421377931} is an apocalyptic number.

3439421377931 is a deficient number, since it is larger than the sum of its proper divisors (1031717496229).

3439421377931 is a wasteful number, since it uses less digits than its factorization.

3439421377931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155637035 (or 155637028 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 56.

The spelling of 3439421377931 in words is "three trillion, four hundred thirty-nine billion, four hundred twenty-one million, three hundred seventy-seven thousand, nine hundred thirty-one".