259234591493 has 2 divisors, whose sum is σ = 259234591494. Its totient is φ = 259234591492.

The previous prime is 259234591453. The next prime is 259234591541. The reversal of 259234591493 is 394195432952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225950967649 + 33283623844 = 475343^2 + 182438^2 .

It is a cyclic number.

It is not a de Polignac number, because 259234591493 - 2²⁸ = 258966156037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259234591453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129617295746 + 129617295747.

It is an arithmetic number, because the mean of its divisors is an integer number (129617295747).

Almost surely, 2^259234591493 is an apocalyptic number.

It is an amenable number.

259234591493 is a deficient number, since it is larger than the sum of its proper divisors (1).

259234591493 is an equidigital number, since it uses as much as digits as its factorization.

259234591493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10497600, while the sum is 56.

The spelling of 259234591493 in words is "two hundred fifty-nine billion, two hundred thirty-four million, five hundred ninety-one thousand, four hundred ninety-three".