2591909931959 has 2 divisors, whose sum is σ = 2591909931960. Its totient is φ = 2591909931958.

The previous prime is 2591909931917. The next prime is 2591909931973. The reversal of 2591909931959 is 9591399091952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2591909931959 - 2¹⁶ = 2591909866423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2591909931892 and 2591909931901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2591909931659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295954965979 + 1295954965980.

It is an arithmetic number, because the mean of its divisors is an integer number (1295954965980).

Almost surely, 2^{2591909931959} is an apocalyptic number.

2591909931959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591909931959 is an equidigital number, since it uses as much as digits as its factorization.

2591909931959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79716150, while the sum is 71.

The spelling of 2591909931959 in words is "two trillion, five hundred ninety-one billion, nine hundred nine million, nine hundred thirty-one thousand, nine hundred fifty-nine".