25356372794 has 16 divisors (see below), whose sum is σ = 38148043776. Its totient is φ = 12640395600.

The previous prime is 25356372787. The next prime is 25356372799. The reversal of 25356372794 is 49727365352.

It is not an unprimeable number, because it can be changed into a prime (25356372799) 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, 1533479 + ... + 1549925.

It is an arithmetic number, because the mean of its divisors is an integer number (2384252736).

Almost surely, 2^25356372794 is an apocalyptic number.

25356372794 is a deficient number, since it is larger than the sum of its proper divisors (12791670982).

25356372794 is a wasteful number, since it uses less digits than its factorization.

25356372794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18701.

The product of its digits is 9525600, while the sum is 53.

The spelling of 25356372794 in words is "twenty-five billion, three hundred fifty-six million, three hundred seventy-two thousand, seven hundred ninety-four".