25326847645 has 16 divisors (see below), whose sum is σ = 33231748032. Its totient is φ = 18376968960.

The previous prime is 25326847561. The next prime is 25326847681. The reversal of 25326847645 is 54674862352.

It is not a de Polignac number, because 25326847645 - 2¹⁷ = 25326716573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25326847592 and 25326847601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507927 + ... + 555556.

It is an arithmetic number, because the mean of its divisors is an integer number (2076984252).

Almost surely, 2^25326847645 is an apocalyptic number.

It is an amenable number.

25326847645 is a deficient number, since it is larger than the sum of its proper divisors (7904900387).

25326847645 is a wasteful number, since it uses less digits than its factorization.

25326847645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063932.

The product of its digits is 9676800, while the sum is 52.

The spelling of 25326847645 in words is "twenty-five billion, three hundred twenty-six million, eight hundred forty-seven thousand, six hundred forty-five".