5239148591 has 2 divisors, whose sum is σ = 5239148592. Its totient is φ = 5239148590.

The previous prime is 5239148581. The next prime is 5239148599. The reversal of 5239148591 is 1958419325.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5239148591 - 2¹⁴ = 5239132207 is a prime.

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 (5239148599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2619574295 + 2619574296.

It is an arithmetic number, because the mean of its divisors is an integer number (2619574296).

Almost surely, 2^5239148591 is an apocalyptic number.

5239148591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5239148591 is an equidigital number, since it uses as much as digits as its factorization.

5239148591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 47.

The square root of 5239148591 is about 72381.9631607212. The cubic root of 5239148591 is about 1736.8150429252.

The spelling of 5239148591 in words is "five billion, two hundred thirty-nine million, one hundred forty-eight thousand, five hundred ninety-one".