25745422269 has 12 divisors (see below), whose sum is σ = 39931675584. Its totient is φ = 14711669784.

The previous prime is 25745422267. The next prime is 25745422273. The reversal of 25745422269 is 96222454752.

It is not a de Polignac number, because 25745422269 - 2¹ = 25745422267 is a prime.

It is a super-2 number, since 2×25745422269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25745422267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87569317 + ... + 87569610.

It is an arithmetic number, because the mean of its divisors is an integer number (3327639632).

Almost surely, 2^25745422269 is an apocalyptic number.

It is an amenable number.

25745422269 is a deficient number, since it is larger than the sum of its proper divisors (14186253315).

25745422269 is a wasteful number, since it uses less digits than its factorization.

25745422269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175138944 (or 175138937 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 25745422269 in words is "twenty-five billion, seven hundred forty-five million, four hundred twenty-two thousand, two hundred sixty-nine".