5091239807 has 2 divisors, whose sum is σ = 5091239808. Its totient is φ = 5091239806.

The previous prime is 5091239789. The next prime is 5091239809. The reversal of 5091239807 is 7089321905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5091239807 - 2⁶ = 5091239743 is a prime.

Together with 5091239809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5091239809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545619903 + 2545619904.

It is an arithmetic number, because the mean of its divisors is an integer number (2545619904).

Almost surely, 2^5091239807 is an apocalyptic number.

5091239807 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091239807 is an equidigital number, since it uses as much as digits as its factorization.

5091239807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 5091239807 is about 71352.9243058755. The cubic root of 5091239807 is about 1720.3145052027.

The spelling of 5091239807 in words is "five billion, ninety-one million, two hundred thirty-nine thousand, eight hundred seven".