25023126969 has 27 divisors (see below), whose sum is σ = 36738720837. Its totient is φ = 16412217624.

The previous prime is 25023126959. The next prime is 25023127007. The reversal of 25023126969 is 96962132052.

The square root of 25023126969 is 158187.

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

25023126969 is a `hidden beast` number, since 2 + 502 + 31 + 26 + 96 + 9 = 666.

It is not a de Polignac number, because 25023126969 - 2⁵ = 25023126937 is a prime.

It is a super-3 number, since 3×25023126969³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (25023126959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31795194 + ... + 31795980.

Almost surely, 2^25023126969 is an apocalyptic number.

25023126969 is the 158187-th square number.

25023126969 is the 79094-th centered octagonal number.

It is an amenable number.

25023126969 is a deficient number, since it is larger than the sum of its proper divisors (11715593868).

25023126969 is an frugal number, since it uses more digits than its factorization.

25023126969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 25023126969 in words is "twenty-five billion, twenty-three million, one hundred twenty-six thousand, nine hundred sixty-nine".