4138715431 has 2 divisors, whose sum is σ = 4138715432. Its totient is φ = 4138715430.

The previous prime is 4138715423. The next prime is 4138715453. The reversal of 4138715431 is 1345178314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4138715431 - 2³ = 4138715423 is a prime.

It is a super-2 number, since 2×4138715431² = 34257930837595031522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4138715531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069357715 + 2069357716.

It is an arithmetic number, because the mean of its divisors is an integer number (2069357716).

Almost surely, 2^4138715431 is an apocalyptic number.

4138715431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138715431 is an equidigital number, since it uses as much as digits as its factorization.

4138715431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 4138715431 is about 64332.8487710594. The cubic root of 4138715431 is about 1605.5426820786.

The spelling of 4138715431 in words is "four billion, one hundred thirty-eight million, seven hundred fifteen thousand, four hundred thirty-one".