259465539713 has 16 divisors (see below), whose sum is σ = 266412785616. Its totient is φ = 252595998720.

The previous prime is 259465539709. The next prime is 259465539721. The reversal of 259465539713 is 317935564952.

It can be written as a sum of positive squares in 8 ways, for example, as 15457202929 + 244008336784 = 124327^2 + 493972^2 .

It is not a de Polignac number, because 259465539713 - 2² = 259465539709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259465539743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18820883 + ... + 18834663.

It is an arithmetic number, because the mean of its divisors is an integer number (16650799101).

Almost surely, 2^259465539713 is an apocalyptic number.

It is an amenable number.

259465539713 is a deficient number, since it is larger than the sum of its proper divisors (6947245903).

259465539713 is a wasteful number, since it uses less digits than its factorization.

259465539713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564.

The product of its digits is 30618000, while the sum is 59.

The spelling of 259465539713 in words is "two hundred fifty-nine billion, four hundred sixty-five million, five hundred thirty-nine thousand, seven hundred thirteen".