259859264217281 has 2 divisors, whose sum is σ = 259859264217282. Its totient is φ = 259859264217280.

The previous prime is 259859264217271. The next prime is 259859264217341. The reversal of 259859264217281 is 182712462958952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220305743290000 + 39553520927281 = 14842700^2 + 6289159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259859264217281 is a prime.

It is a super-2 number, since 2×259859264217281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259859264217271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129929632108640 + 129929632108641.

It is an arithmetic number, because the mean of its divisors is an integer number (129929632108641).

Almost surely, 2^{259859264217281} is an apocalyptic number.

It is an amenable number.

259859264217281 is a deficient number, since it is larger than the sum of its proper divisors (1).

259859264217281 is an equidigital number, since it uses as much as digits as its factorization.

259859264217281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 348364800, while the sum is 71.

The spelling of 259859264217281 in words is "two hundred fifty-nine trillion, eight hundred fifty-nine billion, two hundred sixty-four million, two hundred seventeen thousand, two hundred eighty-one".