259237196065 has 8 divisors (see below), whose sum is σ = 311148294120. Its totient is φ = 207347317632.

The previous prime is 259237196047. The next prime is 259237196087. The reversal of 259237196065 is 560691732952.

It can be written as a sum of positive squares in 4 ways, for example, as 21147848929 + 238089347136 = 145423^2 + 487944^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 259237196065 - 2¹⁷ = 259237064993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 259237195997 and 259237196015.

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, 5278014 + ... + 5326903.

It is an arithmetic number, because the mean of its divisors is an integer number (38893536765).

Almost surely, 2^259237196065 is an apocalyptic number.

It is an amenable number.

259237196065 is a deficient number, since it is larger than the sum of its proper divisors (51911098055).

259237196065 is a wasteful number, since it uses less digits than its factorization.

259237196065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609811.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 259237196065 in words is "two hundred fifty-nine billion, two hundred thirty-seven million, one hundred ninety-six thousand, sixty-five".