25913398954 has 16 divisors (see below), whose sum is σ = 39326031360. Its totient is φ = 12804864160.

The previous prime is 25913398939. The next prime is 25913398963. The reversal of 25913398954 is 45989331952.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341277 + ... + 410239.

It is an arithmetic number, because the mean of its divisors is an integer number (2457876960).

Almost surely, 2^25913398954 is an apocalyptic number.

25913398954 is a deficient number, since it is larger than the sum of its proper divisors (13412632406).

25913398954 is a wasteful number, since it uses less digits than its factorization.

25913398954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71165.

The product of its digits is 10497600, while the sum is 58.

The spelling of 25913398954 in words is "twenty-five billion, nine hundred thirteen million, three hundred ninety-eight thousand, nine hundred fifty-four".