25684848652 has 6 divisors (see below), whose sum is σ = 44948485148. Its totient is φ = 12842424324.

The previous prime is 25684848649. The next prime is 25684848659.

25684848652 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25684848652² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25684848659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210606078 + ... + 3210606085.

Almost surely, 2^25684848652 is an apocalyptic number.

It is an amenable number.

25684848652 is a deficient number, since it is larger than the sum of its proper divisors (19263636496).

25684848652 is a wasteful number, since it uses less digits than its factorization.

25684848652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421212167 (or 6421212165 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 58.

The spelling of 25684848652 in words is "twenty-five billion, six hundred eighty-four million, eight hundred forty-eight thousand, six hundred fifty-two".