5239904431 has 2 divisors, whose sum is σ = 5239904432. Its totient is φ = 5239904430.

The previous prime is 5239904429. The next prime is 5239904471. The reversal of 5239904431 is 1344099325.

It is an a-pointer prime, because the next prime (5239904471) can be obtained adding 5239904431 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5239904431 - 2¹ = 5239904429 is a prime.

It is a super-2 number, since 2×5239904431² = 54913196892026867522, which contains 22 as substring.

Together with 5239904429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5239904471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2619952215 + 2619952216.

It is an arithmetic number, because the mean of its divisors is an integer number (2619952216).

Almost surely, 2^5239904431 is an apocalyptic number.

5239904431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5239904431 is an equidigital number, since it uses as much as digits as its factorization.

5239904431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 5239904431 is about 72387.1841626679. The cubic root of 5239904431 is about 1736.8985610220.

The spelling of 5239904431 in words is "five billion, two hundred thirty-nine million, nine hundred four thousand, four hundred thirty-one".