5289742391 has 2 divisors, whose sum is σ = 5289742392. Its totient is φ = 5289742390.

The previous prime is 5289742379. The next prime is 5289742397. The reversal of 5289742391 is 1932479825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5289742391 - 2¹⁸ = 5289480247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5289742397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2644871195 + 2644871196.

It is an arithmetic number, because the mean of its divisors is an integer number (2644871196).

Almost surely, 2^5289742391 is an apocalyptic number.

5289742391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5289742391 is an equidigital number, since it uses as much as digits as its factorization.

5289742391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 5289742391 is about 72730.6152249519. The cubic root of 5289742391 is about 1742.3878774343.

The spelling of 5289742391 in words is "five billion, two hundred eighty-nine million, seven hundred forty-two thousand, three hundred ninety-one".