5156598971 has 2 divisors, whose sum is σ = 5156598972. Its totient is φ = 5156598970.

The previous prime is 5156598911. The next prime is 5156598977. The reversal of 5156598971 is 1798956515.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5156598971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5156598977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578299485 + 2578299486.

It is an arithmetic number, because the mean of its divisors is an integer number (2578299486).

Almost surely, 2^5156598971 is an apocalyptic number.

5156598971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156598971 is an equidigital number, since it uses as much as digits as its factorization.

5156598971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402000, while the sum is 56.

The square root of 5156598971 is about 71809.4629627600. The cubic root of 5156598971 is about 1727.6447809639.

The spelling of 5156598971 in words is "five billion, one hundred fifty-six million, five hundred ninety-eight thousand, nine hundred seventy-one".