25374858645 has 16 divisors (see below), whose sum is σ = 40601759040. Its totient is φ = 13532596224.

The previous prime is 25374858643. The next prime is 25374858679. The reversal of 25374858645 is 54685847352.

It is not a de Polignac number, because 25374858645 - 2¹ = 25374858643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25374858643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532437 + ... + 578133.

It is an arithmetic number, because the mean of its divisors is an integer number (2537609940).

Almost surely, 2^25374858645 is an apocalyptic number.

It is an amenable number.

25374858645 is a deficient number, since it is larger than the sum of its proper divisors (15226900395).

25374858645 is a wasteful number, since it uses less digits than its factorization.

25374858645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82724.

The product of its digits is 32256000, while the sum is 57.

The spelling of 25374858645 in words is "twenty-five billion, three hundred seventy-four million, eight hundred fifty-eight thousand, six hundred forty-five".