5179998431 has 2 divisors, whose sum is σ = 5179998432. Its totient is φ = 5179998430.

The previous prime is 5179998401. The next prime is 5179998487. The reversal of 5179998431 is 1348999715.

It is an a-pointer prime, because the next prime (5179998487) can be obtained adding 5179998431 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5179998431 is a prime.

It is a super-2 number, since 2×5179998431² = 53664767490324923522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5179998401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2589999215 + 2589999216.

It is an arithmetic number, because the mean of its divisors is an integer number (2589999216).

Almost surely, 2^5179998431 is an apocalyptic number.

5179998431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5179998431 is an equidigital number, since it uses as much as digits as its factorization.

5179998431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 56.

The square root of 5179998431 is about 71972.2059617461. The cubic root of 5179998431 is about 1730.2540563775.

The spelling of 5179998431 in words is "five billion, one hundred seventy-nine million, nine hundred ninety-eight thousand, four hundred thirty-one".