25379694470 has 64 divisors (see below), whose sum is σ = 50293474560. Its totient is φ = 9164251008.

The previous prime is 25379694469. The next prime is 25379694521. The reversal of 25379694470 is 7449697352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1200209 + ... + 1221171.

It is an arithmetic number, because the mean of its divisors is an integer number (785835540).

Almost surely, 2^25379694470 is an apocalyptic number.

25379694470 is a deficient number, since it is larger than the sum of its proper divisors (24913780090).

25379694470 is a wasteful number, since it uses less digits than its factorization.

25379694470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21189.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 25379694470 in words is "twenty-five billion, three hundred seventy-nine million, six hundred ninety-four thousand, four hundred seventy".