25932656645 has 8 divisors (see below), whose sum is σ = 35564786304. Its totient is φ = 17782393104.

The previous prime is 25932656611. The next prime is 25932656663. The reversal of 25932656645 is 54665623952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-25932656645 is a prime.

It is a super-3 number, since 3×25932656645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370466489 + ... + 370466558.

It is an arithmetic number, because the mean of its divisors is an integer number (4445598288).

Almost surely, 2^25932656645 is an apocalyptic number.

It is an amenable number.

25932656645 is a deficient number, since it is larger than the sum of its proper divisors (9632129659).

25932656645 is an equidigital number, since it uses as much as digits as its factorization.

25932656645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740933059.

The product of its digits is 11664000, while the sum is 53.

The spelling of 25932656645 in words is "twenty-five billion, nine hundred thirty-two million, six hundred fifty-six thousand, six hundred forty-five".