259947092845523 has 2 divisors, whose sum is σ = 259947092845524. Its totient is φ = 259947092845522.

The previous prime is 259947092845399. The next prime is 259947092845543. The reversal of 259947092845523 is 325548290749952.

259947092845523 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 259947092845523 - 2⁸ = 259947092845267 is a prime.

It is a super-2 number, since 2×259947092845523² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259947092845543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129973546422761 + 129973546422762.

It is an arithmetic number, because the mean of its divisors is an integer number (129973546422762).

Almost surely, 2^{259947092845523} is an apocalyptic number.

259947092845523 is a deficient number, since it is larger than the sum of its proper divisors (1).

259947092845523 is an equidigital number, since it uses as much as digits as its factorization.

259947092845523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552000, while the sum is 74.

The spelling of 259947092845523 in words is "two hundred fifty-nine trillion, nine hundred forty-seven billion, ninety-two million, eight hundred forty-five thousand, five hundred twenty-three".