199702299310273 has 4 divisors (see below), whose sum is σ = 200479351058820. Its totient is φ = 198925247561728.

The previous prime is 199702299310247. The next prime is 199702299310289. The reversal of 199702299310273 is 372013992207991.

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

It can be written as a sum of positive squares in 2 ways, for example, as 193130833711104 + 6571465599169 = 13897152^2 + 2563487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199702299310273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199702299313273) 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, 388525873888 + ... + 388525874401.

It is an arithmetic number, because the mean of its divisors is an integer number (50119837764705).

Almost surely, 2^{199702299310273} is an apocalyptic number.

It is an amenable number.

199702299310273 is a deficient number, since it is larger than the sum of its proper divisors (777051748547).

199702299310273 is an equidigital number, since it uses as much as digits as its factorization.

199702299310273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777051748546.

The product of its (nonzero) digits is 23147208, while the sum is 64.

The spelling of 199702299310273 in words is "one hundred ninety-nine trillion, seven hundred two billion, two hundred ninety-nine million, three hundred ten thousand, two hundred seventy-three".