25689114609 has 8 divisors (see below), whose sum is σ = 34426022400. Its totient is φ = 17039141616.

The previous prime is 25689114589. The next prime is 25689114641. The reversal of 25689114609 is 90641198652.

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

It is not a de Polignac number, because 25689114609 - 2¹⁶ = 25689049073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25689114809) 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, 21733009 + ... + 21734190.

It is an arithmetic number, because the mean of its divisors is an integer number (4303252800).

Almost surely, 2^25689114609 is an apocalyptic number.

It is an amenable number.

25689114609 is a deficient number, since it is larger than the sum of its proper divisors (8736907791).

25689114609 is a wasteful number, since it uses less digits than its factorization.

25689114609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43467399.

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 25689114609 in words is "twenty-five billion, six hundred eighty-nine million, one hundred fourteen thousand, six hundred nine".