659481413800321 has 16 divisors (see below), whose sum is σ = 754146684111744. Its totient is φ = 564929560940544.

The previous prime is 659481413800249. The next prime is 659481413800333. The reversal of 659481413800321 is 123008314184956.

It is a cyclic number.

It is not a de Polignac number, because 659481413800321 - 2¹⁷ = 659481413669249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (659481413804321) 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, 1277007066 + ... + 1277523388.

It is an arithmetic number, because the mean of its divisors is an integer number (47134167756984).

Almost surely, 2^{659481413800321} is an apocalyptic number.

It is an amenable number.

659481413800321 is a deficient number, since it is larger than the sum of its proper divisors (94665270311423).

659481413800321 is a wasteful number, since it uses less digits than its factorization.

659481413800321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625800.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 659481413800321 in words is "six hundred fifty-nine trillion, four hundred eighty-one billion, four hundred thirteen million, eight hundred thousand, three hundred twenty-one".