259856375651 has 2 divisors, whose sum is σ = 259856375652. Its totient is φ = 259856375650.

The previous prime is 259856375627. The next prime is 259856375659. The reversal of 259856375651 is 156573658952.

259856375651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259856375651 - 2⁶ = 259856375587 is a prime.

It is not a weakly prime, because it can be changed into another prime (259856375659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129928187825 + 129928187826.

It is an arithmetic number, because the mean of its divisors is an integer number (129928187826).

Almost surely, 2^259856375651 is an apocalyptic number.

259856375651 is a deficient number, since it is larger than the sum of its proper divisors (1).

259856375651 is an equidigital number, since it uses as much as digits as its factorization.

259856375651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040000, while the sum is 62.

The spelling of 259856375651 in words is "two hundred fifty-nine billion, eight hundred fifty-six million, three hundred seventy-five thousand, six hundred fifty-one".