3875613239431 has 2 divisors, whose sum is σ = 3875613239432. Its totient is φ = 3875613239430.

The previous prime is 3875613239423. The next prime is 3875613239627. The reversal of 3875613239431 is 1349323165783.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3875613239431 - 2³ = 3875613239423 is a prime.

It is a super-2 number, since 2×3875613239431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3875613239731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937806619715 + 1937806619716.

It is an arithmetic number, because the mean of its divisors is an integer number (1937806619716).

Almost surely, 2^{3875613239431} is an apocalyptic number.

3875613239431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3875613239431 is an equidigital number, since it uses as much as digits as its factorization.

3875613239431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 55.

The spelling of 3875613239431 in words is "three trillion, eight hundred seventy-five billion, six hundred thirteen million, two hundred thirty-nine thousand, four hundred thirty-one".