25453656364 has 12 divisors (see below), whose sum is σ = 44589969424. Its totient is φ = 12713665104.

The previous prime is 25453656343. The next prime is 25453656377. The reversal of 25453656364 is 46365635452.

It is a super-3 number, since 3×25453656364³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3286419 + ... + 3294154.

Almost surely, 2^25453656364 is an apocalyptic number.

It is an amenable number.

25453656364 is a deficient number, since it is larger than the sum of its proper divisors (19136313060).

25453656364 is a wasteful number, since it uses less digits than its factorization.

25453656364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581544 (or 6581542 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 25453656364 in words is "twenty-five billion, four hundred fifty-three million, six hundred fifty-six thousand, three hundred sixty-four".