2217173957339 has 16 divisors (see below), whose sum is σ = 2539485285120. Its totient is φ = 1917062384160.

The previous prime is 2217173957333. The next prime is 2217173957357. The reversal of 2217173957339 is 9337593717122.

It is not a de Polignac number, because 2217173957339 - 2²⁰ = 2217172908763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2217173957333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51847199 + ... + 51889944.

It is an arithmetic number, because the mean of its divisors is an integer number (158717830320).

Almost surely, 2^{2217173957339} is an apocalyptic number.

2217173957339 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2217173957339 is a deficient number, since it is larger than the sum of its proper divisors (322311327781).

2217173957339 is a wasteful number, since it uses less digits than its factorization.

2217173957339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103737250.

The product of its digits is 15002820, while the sum is 59.

The spelling of 2217173957339 in words is "two trillion, two hundred seventeen billion, one hundred seventy-three million, nine hundred fifty-seven thousand, three hundred thirty-nine".