25912295463 has 4 divisors (see below), whose sum is σ = 34549727288. Its totient is φ = 17274863640.

The previous prime is 25912295447. The next prime is 25912295471. The reversal of 25912295463 is 36459221952.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25912295463 - 2⁴ = 25912295447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25912295483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4318715908 + ... + 4318715913.

It is an arithmetic number, because the mean of its divisors is an integer number (8637431822).

Almost surely, 2^25912295463 is an apocalyptic number.

25912295463 is a deficient number, since it is larger than the sum of its proper divisors (8637431825).

25912295463 is an equidigital number, since it uses as much as digits as its factorization.

25912295463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637431824.

The product of its digits is 1166400, while the sum is 48.

The spelling of 25912295463 in words is "twenty-five billion, nine hundred twelve million, two hundred ninety-five thousand, four hundred sixty-three".