25409716223 has 4 divisors (see below), whose sum is σ = 25423921320. Its totient is φ = 25395511128.

The previous prime is 25409716193. The next prime is 25409716243. The reversal of 25409716223 is 32261790452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25409716223 - 2⁶ = 25409716159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25409716243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7099865 + ... + 7103442.

It is an arithmetic number, because the mean of its divisors is an integer number (6355980330).

Almost surely, 2^25409716223 is an apocalyptic number.

25409716223 is a deficient number, since it is larger than the sum of its proper divisors (14205097).

25409716223 is a wasteful number, since it uses less digits than its factorization.

25409716223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14205096.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 25409716223 in words is "twenty-five billion, four hundred nine million, seven hundred sixteen thousand, two hundred twenty-three".