25622906307868 has 6 divisors (see below), whose sum is σ = 44840086038776. Its totient is φ = 12811453153932.

The previous prime is 25622906307863. The next prime is 25622906307871. The reversal of 25622906307868 is 86870360922652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25622906307863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202863288480 + ... + 3202863288487.

Almost surely, 2^{25622906307868} is an apocalyptic number.

It is an amenable number.

25622906307868 is a deficient number, since it is larger than the sum of its proper divisors (19217179730908).

25622906307868 is a wasteful number, since it uses less digits than its factorization.

25622906307868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405726576971 (or 6405726576969 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 25622906307868 in words is "twenty-five trillion, six hundred twenty-two billion, nine hundred six million, three hundred seven thousand, eight hundred sixty-eight".