25713427613 has 8 divisors (see below), whose sum is σ = 26443065600. Its totient is φ = 24993583648.

The previous prime is 25713427591. The next prime is 25713427657. The reversal of 25713427613 is 31672431752.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25713427613 - 2⁸ = 25713427357 is a prime.

It is a super-2 number, since 2×25713427613² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25713427513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443181 + ... + 2453682.

It is an arithmetic number, because the mean of its divisors is an integer number (3305383200).

Almost surely, 2^25713427613 is an apocalyptic number.

It is an amenable number.

25713427613 is a deficient number, since it is larger than the sum of its proper divisors (729637987).

25713427613 is an equidigital number, since it uses as much as digits as its factorization.

25713427613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897011.

The product of its digits is 211680, while the sum is 41.

The spelling of 25713427613 in words is "twenty-five billion, seven hundred thirteen million, four hundred twenty-seven thousand, six hundred thirteen".