259993359427 has 2 divisors, whose sum is σ = 259993359428. Its totient is φ = 259993359426.

The previous prime is 259993359347. The next prime is 259993359433. The reversal of 259993359427 is 724953399952.

259993359427 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 259993359427 - 2¹⁹ = 259992835139 is a prime.

It is a super-2 number, since 2×259993359427² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259999359427) 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, 129996679713 + 129996679714.

It is an arithmetic number, because the mean of its divisors is an integer number (129996679714).

Almost surely, 2^259993359427 is an apocalyptic number.

259993359427 is a deficient number, since it is larger than the sum of its proper divisors (1).

259993359427 is an equidigital number, since it uses as much as digits as its factorization.

259993359427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165337200, while the sum is 67.

The spelling of 259993359427 in words is "two hundred fifty-nine billion, nine hundred ninety-three million, three hundred fifty-nine thousand, four hundred twenty-seven".