659104477481 has 4 divisors (see below), whose sum is σ = 659996365200. Its totient is φ = 658212589764.

The previous prime is 659104477457. The next prime is 659104477571. The reversal of 659104477481 is 184774401956.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659104477481 is a prime.

It is a super-2 number, since 2×659104477481² (a number of 24 digits) contains 22 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 (659104474481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445942751 + ... + 445944228.

It is an arithmetic number, because the mean of its divisors is an integer number (164999091300).

Almost surely, 2^659104477481 is an apocalyptic number.

It is an amenable number.

659104477481 is a deficient number, since it is larger than the sum of its proper divisors (891887719).

659104477481 is an equidigital number, since it uses as much as digits as its factorization.

659104477481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891887718.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 659104477481 in words is "six hundred fifty-nine billion, one hundred four million, four hundred seventy-seven thousand, four hundred eighty-one".