25667231293 has 16 divisors (see below), whose sum is σ = 28932618240. Its totient is φ = 22558676400.

The previous prime is 25667231287. The next prime is 25667231311. The reversal of 25667231293 is 39213276652.

It is a cyclic number.

It is not a de Polignac number, because 25667231293 - 2³³ = 17077296701 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 (25667231243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310546 + ... + 384412.

It is an arithmetic number, because the mean of its divisors is an integer number (1808288640).

Almost surely, 2^25667231293 is an apocalyptic number.

It is an amenable number.

25667231293 is a deficient number, since it is larger than the sum of its proper divisors (3265386947).

25667231293 is a wasteful number, since it uses less digits than its factorization.

25667231293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74928.

The product of its digits is 816480, while the sum is 46.

The spelling of 25667231293 in words is "twenty-five billion, six hundred sixty-seven million, two hundred thirty-one thousand, two hundred ninety-three".