259422090517 has 2 divisors, whose sum is σ = 259422090518. Its totient is φ = 259422090516.

The previous prime is 259422090481. The next prime is 259422090563. The reversal of 259422090517 is 715090224952.

It is an a-pointer prime, because the next prime (259422090563) can be obtained adding 259422090517 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258024377521 + 1397712996 = 507961^2 + 37386^2 .

It is a cyclic number.

It is not a de Polignac number, because 259422090517 - 2²³ = 259413701909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259422090217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129711045258 + 129711045259.

It is an arithmetic number, because the mean of its divisors is an integer number (129711045259).

Almost surely, 2^259422090517 is an apocalyptic number.

It is an amenable number.

259422090517 is a deficient number, since it is larger than the sum of its proper divisors (1).

259422090517 is an equidigital number, since it uses as much as digits as its factorization.

259422090517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 259422090517 in words is "two hundred fifty-nine billion, four hundred twenty-two million, ninety thousand, five hundred seventeen".