25609732716 has 48 divisors (see below), whose sum is σ = 60153020928. Its totient is φ = 8479972800.

The previous prime is 25609732703. The next prime is 25609732717. The reversal of 25609732716 is 61723790652.

It is not an unprimeable number, because it can be changed into a prime (25609732717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2102941 + ... + 2115083.

It is an arithmetic number, because the mean of its divisors is an integer number (1253187936).

Almost surely, 2^25609732716 is an apocalyptic number.

It is an amenable number.

25609732716 is an abundant number, since it is smaller than the sum of its proper divisors (34543288212).

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

25609732716 is a wasteful number, since it uses less digits than its factorization.

25609732716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13302 (or 13300 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 25609732716 in words is "twenty-five billion, six hundred nine million, seven hundred thirty-two thousand, seven hundred sixteen".