25963541464 has 16 divisors (see below), whose sum is σ = 55636160400. Its totient is φ = 11127232032.

The previous prime is 25963541453. The next prime is 25963541491. The reversal of 25963541464 is 46414536952.

It is a congruent number.

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, 231817279 + ... + 231817390.

It is an arithmetic number, because the mean of its divisors is an integer number (3477260025).

Almost surely, 2^25963541464 is an apocalyptic number.

It is an amenable number.

25963541464 is an abundant number, since it is smaller than the sum of its proper divisors (29672618936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25963541464 is a wasteful number, since it uses less digits than its factorization.

25963541464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463634682 (or 463634678 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 25963541464 in words is "twenty-five billion, nine hundred sixty-three million, five hundred forty-one thousand, four hundred sixty-four".