3599505666223 has 4 divisors (see below), whose sum is σ = 3605809529608. Its totient is φ = 3593201802840.

The previous prime is 3599505666221. The next prime is 3599505666233. The reversal of 3599505666223 is 3226665059953.

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

It is a cyclic number.

It is not a de Polignac number, because 3599505666223 - 2¹ = 3599505666221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3599505666221) 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 in 3 ways as a sum of consecutive naturals, for example, 3151930836 + ... + 3151931977.

It is an arithmetic number, because the mean of its divisors is an integer number (901452382402).

Almost surely, 2^{3599505666223} is an apocalyptic number.

3599505666223 is a deficient number, since it is larger than the sum of its proper divisors (6303863385).

3599505666223 is an equidigital number, since it uses as much as digits as its factorization.

3599505666223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303863384.

The product of its (nonzero) digits is 78732000, while the sum is 61.

The spelling of 3599505666223 in words is "three trillion, five hundred ninety-nine billion, five hundred five million, six hundred sixty-six thousand, two hundred twenty-three".