659683890361 has 2 divisors, whose sum is σ = 659683890362. Its totient is φ = 659683890360.

The previous prime is 659683890337. The next prime is 659683890449. The reversal of 659683890361 is 163098386956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456900291136 + 202783599225 = 675944^2 + 450315^2 .

It is a cyclic number.

It is not a de Polignac number, because 659683890361 - 2¹⁵ = 659683857593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 659683890293 and 659683890302.

It is not a weakly prime, because it can be changed into another prime (659683890301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329841945180 + 329841945181.

It is an arithmetic number, because the mean of its divisors is an integer number (329841945181).

Almost surely, 2^659683890361 is an apocalyptic number.

It is an amenable number.

659683890361 is a deficient number, since it is larger than the sum of its proper divisors (1).

659683890361 is an equidigital number, since it uses as much as digits as its factorization.

659683890361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 659683890361 in words is "six hundred fifty-nine billion, six hundred eighty-three million, eight hundred ninety thousand, three hundred sixty-one".