25342326613 has 4 divisors (see below), whose sum is σ = 25364894368. Its totient is φ = 25319758860.

The previous prime is 25342326571. The next prime is 25342326629. The reversal of 25342326613 is 31662324352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25342326613 - 2³³ = 16752392021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342326643) 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 in 3 ways as a sum of consecutive naturals, for example, 11282193 + ... + 11284438.

It is an arithmetic number, because the mean of its divisors is an integer number (6341223592).

Almost surely, 2^25342326613 is an apocalyptic number.

It is an amenable number.

25342326613 is a deficient number, since it is larger than the sum of its proper divisors (22567755).

25342326613 is a wasteful number, since it uses less digits than its factorization.

25342326613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22567754.

The product of its digits is 155520, while the sum is 37.

The spelling of 25342326613 in words is "twenty-five billion, three hundred forty-two million, three hundred twenty-six thousand, six hundred thirteen".