25922580643 has 8 divisors (see below), whose sum is σ = 26499412800. Its totient is φ = 25346802240.

The previous prime is 25922580641. The next prime is 25922580647. The reversal of 25922580643 is 34608522952.

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

It is a cyclic number.

It is not a de Polignac number, because 25922580643 - 2¹ = 25922580641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25922580593 and 25922580602.

It is not an unprimeable number, because it can be changed into a prime (25922580641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213588 + ... + 312193.

It is an arithmetic number, because the mean of its divisors is an integer number (3312426600).

Almost surely, 2^25922580643 is an apocalyptic number.

25922580643 is a deficient number, since it is larger than the sum of its proper divisors (576832157).

25922580643 is a wasteful number, since it uses less digits than its factorization.

25922580643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526877.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 25922580643 in words is "twenty-five billion, nine hundred twenty-two million, five hundred eighty thousand, six hundred forty-three".