25669496652 has 24 divisors (see below), whose sum is σ = 60617126976. Its totient is φ = 8453408208.

The previous prime is 25669496627. The next prime is 25669496663.

25669496652 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12885298 + ... + 12887289.

It is an arithmetic number, because the mean of its divisors is an integer number (2525713624).

Almost surely, 2^25669496652 is an apocalyptic number.

It is an amenable number.

25669496652 is an abundant number, since it is smaller than the sum of its proper divisors (34947630324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25669496652 is a wasteful number, since it uses less digits than its factorization.

25669496652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25772677 (or 25772675 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 60.

The spelling of 25669496652 in words is "twenty-five billion, six hundred sixty-nine million, four hundred ninety-six thousand, six hundred fifty-two".