2173447310219 has 2 divisors, whose sum is σ = 2173447310220. Its totient is φ = 2173447310218.

The previous prime is 2173447310213. The next prime is 2173447310227. The reversal of 2173447310219 is 9120137443712.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173447310219 is a prime.

It is a super-2 number, since 2×2173447310219² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2173447310219.

It is not a weakly prime, because it can be changed into another prime (2173447310213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086723655109 + 1086723655110.

It is an arithmetic number, because the mean of its divisors is an integer number (1086723655110).

Almost surely, 2^{2173447310219} is an apocalyptic number.

2173447310219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173447310219 is an equidigital number, since it uses as much as digits as its factorization.

2173447310219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 2173447310219 in words is "two trillion, one hundred seventy-three billion, four hundred forty-seven million, three hundred ten thousand, two hundred nineteen".