259643609609 has 8 divisors (see below), whose sum is σ = 259969725600. Its totient is φ = 259317567936.

The previous prime is 259643609569. The next prime is 259643609611. The reversal of 259643609609 is 906906346952.

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 259643609609 - 2¹⁶ = 259643544073 is a prime.

It is a super-3 number, since 3×259643609609³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259643605609) 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, 10784417 + ... + 10808465.

It is an arithmetic number, because the mean of its divisors is an integer number (32496215700).

Almost surely, 2^259643609609 is an apocalyptic number.

It is an amenable number.

259643609609 is a deficient number, since it is larger than the sum of its proper divisors (326115991).

259643609609 is a wasteful number, since it uses less digits than its factorization.

259643609609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37159.

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 259643609609 in words is "two hundred fifty-nine billion, six hundred forty-three million, six hundred nine thousand, six hundred nine".