25089681074 has 4 divisors (see below), whose sum is σ = 37634521614. Its totient is φ = 12544840536.

The previous prime is 25089681059. The next prime is 25089681091. The reversal of 25089681074 is 47018698052.

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

It can be written as a sum of positive squares in only one way, i.e., 19730416225 + 5359264849 = 140465^2 + 73207^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6272420267 + ... + 6272420270.

Almost surely, 2^25089681074 is an apocalyptic number.

25089681074 is a deficient number, since it is larger than the sum of its proper divisors (12544840540).

25089681074 is a wasteful number, since it uses less digits than its factorization.

25089681074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12544840539.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 25089681074 in words is "twenty-five billion, eighty-nine million, six hundred eighty-one thousand, seventy-four".