25462794854 has 16 divisors (see below), whose sum is σ = 46218182688. Its totient is φ = 10270707072.

The previous prime is 25462794839. The next prime is 25462794859. The reversal of 25462794854 is 45849726452.

It is a self number, because there is not a number n which added to its sum of digits gives 25462794854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25462794859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53493029 + ... + 53493504.

It is an arithmetic number, because the mean of its divisors is an integer number (2888636418).

Almost surely, 2^25462794854 is an apocalyptic number.

25462794854 is a deficient number, since it is larger than the sum of its proper divisors (20755387834).

25462794854 is a wasteful number, since it uses less digits than its factorization.

25462794854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106986559.

The product of its digits is 19353600, while the sum is 56.

The spelling of 25462794854 in words is "twenty-five billion, four hundred sixty-two million, seven hundred ninety-four thousand, eight hundred fifty-four".