259005799901 has 2 divisors, whose sum is σ = 259005799902. Its totient is φ = 259005799900.

The previous prime is 259005799847. The next prime is 259005799907. The reversal of 259005799901 is 109997500952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155215512676 + 103790287225 = 393974^2 + 322165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259005799901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259005799907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129502899950 + 129502899951.

It is an arithmetic number, because the mean of its divisors is an integer number (129502899951).

Almost surely, 2^259005799901 is an apocalyptic number.

It is an amenable number.

259005799901 is a deficient number, since it is larger than the sum of its proper divisors (1).

259005799901 is an equidigital number, since it uses as much as digits as its factorization.

259005799901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2296350, while the sum is 56.

The spelling of 259005799901 in words is "two hundred fifty-nine billion, five million, seven hundred ninety-nine thousand, nine hundred one".