259122912497 has 4 divisors (see below), whose sum is σ = 259127913636. Its totient is φ = 259117911360.

The previous prime is 259122912473. The next prime is 259122912533. The reversal of 259122912497 is 794219221952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156344323216 + 102778589281 = 395404^2 + 320591^2 .

It is a cyclic number.

It is not a de Polignac number, because 259122912497 - 2²⁸ = 258854477041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259122912467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422028 + ... + 2526749.

It is an arithmetic number, because the mean of its divisors is an integer number (64781978409).

Almost surely, 2^259122912497 is an apocalyptic number.

It is an amenable number.

259122912497 is a deficient number, since it is larger than the sum of its proper divisors (5001139).

259122912497 is an equidigital number, since it uses as much as digits as its factorization.

259122912497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001138.

The product of its digits is 1632960, while the sum is 53.

The spelling of 259122912497 in words is "two hundred fifty-nine billion, one hundred twenty-two million, nine hundred twelve thousand, four hundred ninety-seven".