199313774298 has 24 divisors (see below), whose sum is σ = 431872604436. Its totient is φ = 66433910400.

The previous prime is 199313774287. The next prime is 199313774323. The reversal of 199313774298 is 892477313991.

199313774298 is a `hidden beast` number, since 199 + 3 + 13 + 7 + 7 + 429 + 8 = 666.

199313774298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 160902870129 + 38410904169 = 401127^2 + 195987^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20383 + ... + 631698.

Almost surely, 2^199313774298 is an apocalyptic number.

199313774298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

199313774298 is an abundant number, since it is smaller than the sum of its proper divisors (232558830138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199313774298 is a wasteful number, since it uses less digits than its factorization.

199313774298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669070 (or 669067 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 199313774298 in words is "one hundred ninety-nine billion, three hundred thirteen million, seven hundred seventy-four thousand, two hundred ninety-eight".