199253958203 has 4 divisors (see below), whose sum is σ = 199824886800. Its totient is φ = 198683029608.

The previous prime is 199253958161. The next prime is 199253958283. The reversal of 199253958203 is 302859352991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302859352991 = 13 ⋅23296873307.

It is a cyclic number.

It is not a de Polignac number, because 199253958203 - 2²⁶ = 199186849339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199253958283) 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, 285463775 + ... + 285464472.

It is an arithmetic number, because the mean of its divisors is an integer number (49956221700).

Almost surely, 2^199253958203 is an apocalyptic number.

199253958203 is a deficient number, since it is larger than the sum of its proper divisors (570928597).

199253958203 is an equidigital number, since it uses as much as digits as its factorization.

199253958203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570928596.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 199253958203 in words is "one hundred ninety-nine billion, two hundred fifty-three million, nine hundred fifty-eight thousand, two hundred three".