259521341013 has 20 divisors (see below), whose sum is σ = 422923668288. Its totient is φ = 157285660680.

The previous prime is 259521340997. The next prime is 259521341021. The reversal of 259521341013 is 310143125952.

It is a happy number.

259521341013 is a `hidden beast` number, since 2 + 595 + 2 + 13 + 41 + 0 + 13 = 666.

It is not a de Polignac number, because 259521341013 - 2⁴ = 259521340997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259521341213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 145633981 + ... + 145635762.

Almost surely, 2^259521341013 is an apocalyptic number.

It is an amenable number.

259521341013 is a deficient number, since it is larger than the sum of its proper divisors (163402327275).

259521341013 is a wasteful number, since it uses less digits than its factorization.

259521341013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291269766 (or 291269757 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 259521341013 its reverse (310143125952), we get a palindrome (569664466965).

The spelling of 259521341013 in words is "two hundred fifty-nine billion, five hundred twenty-one million, three hundred forty-one thousand, thirteen".