199897274303 has 8 divisors (see below), whose sum is σ = 204577159248. Its totient is φ = 195218803584.

The previous prime is 199897274243. The next prime is 199897274329. The reversal of 199897274303 is 303472798991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199897274303 - 2⁸ = 199897274047 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 (199897274333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64826 + ... + 635607.

It is an arithmetic number, because the mean of its divisors is an integer number (25572144906).

Almost surely, 2^199897274303 is an apocalyptic number.

199897274303 is a deficient number, since it is larger than the sum of its proper divisors (4679884945).

199897274303 is an equidigital number, since it uses as much as digits as its factorization.

199897274303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707113.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 199897274303 in words is "one hundred ninety-nine billion, eight hundred ninety-seven million, two hundred seventy-four thousand, three hundred three".