659493394955 has 16 divisors (see below), whose sum is σ = 858382225344. Its totient is φ = 484448517120.

The previous prime is 659493394949. The next prime is 659493394961. The reversal of 659493394955 is 559493394956.

659493394955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (659493394949) and next prime (659493394961).

It is not a de Polignac number, because 659493394955 - 2⁶ = 659493394891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94615367 + ... + 94622336.

It is an arithmetic number, because the mean of its divisors is an integer number (53648889084).

Almost surely, 2^659493394955 is an apocalyptic number.

659493394955 is a deficient number, since it is larger than the sum of its proper divisors (198888830389).

659493394955 is a wasteful number, since it uses less digits than its factorization.

659493394955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189237766.

The product of its digits is 708588000, while the sum is 71.

Subtracting from 659493394955 its reverse (559493394956), we obtain a palindrome (99999999999).

The spelling of 659493394955 in words is "six hundred fifty-nine billion, four hundred ninety-three million, three hundred ninety-four thousand, nine hundred fifty-five".