25913440367253 has 64 divisors (see below), whose sum is σ = 41515990675200. Its totient is φ = 15919067324160.

The previous prime is 25913440367141. The next prime is 25913440367317. The reversal of 25913440367253 is 35276304431952.

25913440367253 is a `hidden beast` number, since 2 + 5 + 91 + 3 + 440 + 3 + 67 + 2 + 53 = 666.

It is not a de Polignac number, because 25913440367253 - 2¹² = 25913440363157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25913440367253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25913440317253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60925875 + ... + 61349727.

It is an arithmetic number, because the mean of its divisors is an integer number (648687354300).

Almost surely, 2^{25913440367253} is an apocalyptic number.

It is an amenable number.

25913440367253 is a deficient number, since it is larger than the sum of its proper divisors (15602550307947).

25913440367253 is a wasteful number, since it uses less digits than its factorization.

25913440367253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427139 (or 427133 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 54.

The spelling of 25913440367253 in words is "twenty-five trillion, nine hundred thirteen billion, four hundred forty million, three hundred sixty-seven thousand, two hundred fifty-three".