659818889039 has 12 divisors (see below), whose sum is σ = 689250838248. Its totient is φ = 631461506400.

The previous prime is 659818889029. The next prime is 659818889089. The reversal of 659818889039 is 930988818956.

659818889039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 659818889039 - 2³⁶ = 591099412303 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 (659818889029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3867077 + ... + 4034094.

It is an arithmetic number, because the mean of its divisors is an integer number (57437569854).

Almost surely, 2^659818889039 is an apocalyptic number.

659818889039 is a deficient number, since it is larger than the sum of its proper divisors (29431949209).

659818889039 is an equidigital number, since it uses as much as digits as its factorization.

659818889039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7901306 (or 7901269 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 74.

The spelling of 659818889039 in words is "six hundred fifty-nine billion, eight hundred eighteen million, eight hundred eighty-nine thousand, thirty-nine".