25674614289 has 9 divisors (see below), whose sum is σ = 37086248329. Its totient is φ = 17116089060.

The previous prime is 25674614261. The next prime is 25674614297. The reversal of 25674614289 is 98241647652.

The square root of 25674614289 is 160233.

It is a perfect power (a square), and thus also a powerful number.

25674614289 is a `hidden beast` number, since 2 + 5 + 67 + 461 + 42 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-25674614289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25674614789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 453994 + ... + 507404.

Almost surely, 2^25674614289 is an apocalyptic number.

25674614289 is the 160233-rd square number.

25674614289 is the 80117-th centered octagonal number.

It is an amenable number.

25674614289 is a deficient number, since it is larger than the sum of its proper divisors (11411634040).

25674614289 is an frugal number, since it uses more digits than its factorization.

25674614289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106828 (or 53414 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 25674614289 in words is "twenty-five billion, six hundred seventy-four million, six hundred fourteen thousand, two hundred eighty-nine".