25670235713 has 4 divisors (see below), whose sum is σ = 25670823360. Its totient is φ = 25669648068.

The previous prime is 25670235683. The next prime is 25670235727. The reversal of 25670235713 is 31753207652.

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 25670235713 - 2¹⁸ = 25669973569 is a prime.

It is a super-2 number, since 2×25670235713² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25670235733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222533 + ... + 317586.

It is an arithmetic number, because the mean of its divisors is an integer number (6417705840).

Almost surely, 2^25670235713 is an apocalyptic number.

It is an amenable number.

25670235713 is a deficient number, since it is larger than the sum of its proper divisors (587647).

25670235713 is an equidigital number, since it uses as much as digits as its factorization.

25670235713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587646.

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 25670235713 in words is "twenty-five billion, six hundred seventy million, two hundred thirty-five thousand, seven hundred thirteen".