345689565689 has 16 divisors (see below), whose sum is σ = 372821097600. Its totient is φ = 318635498496.

The previous prime is 345689565671. The next prime is 345689565713. The reversal of 345689565689 is 986565986543.

It is a cyclic number.

It is not a de Polignac number, because 345689565689 - 2⁸ = 345689565433 is a prime.

It is a super-3 number, since 3×345689565689³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345689565629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36464252 + ... + 36473730.

It is an arithmetic number, because the mean of its divisors is an integer number (23301318600).

Almost surely, 2^345689565689 is an apocalyptic number.

It is an amenable number.

345689565689 is a deficient number, since it is larger than the sum of its proper divisors (27131531911).

345689565689 is a wasteful number, since it uses less digits than its factorization.

345689565689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13264.

The product of its digits is 1679616000, while the sum is 74.

The spelling of 345689565689 in words is "three hundred forty-five billion, six hundred eighty-nine million, five hundred sixty-five thousand, six hundred eighty-nine".