659091946459 has 4 divisors (see below), whose sum is σ = 671527643616. Its totient is φ = 646656249304.

The previous prime is 659091946423. The next prime is 659091946493. The reversal of 659091946459 is 954649190956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-659091946459 is a prime.

It is a super-2 number, since 2×659091946459² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 659091946394 and 659091946403.

It is not an unprimeable number, because it can be changed into a prime (659091946759) 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, 6217848499 + ... + 6217848604.

It is an arithmetic number, because the mean of its divisors is an integer number (167881910904).

Almost surely, 2^659091946459 is an apocalyptic number.

659091946459 is a deficient number, since it is larger than the sum of its proper divisors (12435697157).

659091946459 is a wasteful number, since it uses less digits than its factorization.

659091946459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435697156.

The product of its (nonzero) digits is 94478400, while the sum is 67.

The spelling of 659091946459 in words is "six hundred fifty-nine billion, ninety-one million, nine hundred forty-six thousand, four hundred fifty-nine".