259398713345 has 8 divisors (see below), whose sum is σ = 311328147240. Its totient is φ = 207485843200.

The previous prime is 259398713339. The next prime is 259398713363. The reversal of 259398713345 is 543317893952.

It is a Cunningham number, because it is equal to 509312²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 82293249424 + 177105463921 = 286868^2 + 420839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 259398713345 - 2³⁰ = 258324971521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106456 + ... + 4169145.

It is an arithmetic number, because the mean of its divisors is an integer number (38916018405).

Almost surely, 2^259398713345 is an apocalyptic number.

It is an amenable number.

259398713345 is a deficient number, since it is larger than the sum of its proper divisors (51929433895).

259398713345 is an equidigital number, since it uses as much as digits as its factorization.

259398713345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281875.

The product of its digits is 24494400, while the sum is 59.

The spelling of 259398713345 in words is "two hundred fifty-nine billion, three hundred ninety-eight million, seven hundred thirteen thousand, three hundred forty-five".