25915652396 has 6 divisors (see below), whose sum is σ = 45352391700. Its totient is φ = 12957826196.

The previous prime is 25915652393. The next prime is 25915652417. The reversal of 25915652396 is 69325651952.

It is a super-2 number, since 2×25915652396² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25915652393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239456546 + ... + 3239456553.

It is an arithmetic number, because the mean of its divisors is an integer number (7558731950).

Almost surely, 2^25915652396 is an apocalyptic number.

It is an amenable number.

25915652396 is a deficient number, since it is larger than the sum of its proper divisors (19436739304).

25915652396 is a wasteful number, since it uses less digits than its factorization.

25915652396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478913103 (or 6478913101 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 53.

The spelling of 25915652396 in words is "twenty-five billion, nine hundred fifteen million, six hundred fifty-two thousand, three hundred ninety-six".