199150264298 has 4 divisors (see below), whose sum is σ = 298725396450. Its totient is φ = 99575132148.

The previous prime is 199150264277. The next prime is 199150264309. The reversal of 199150264298 is 892462051991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892462051991 = 16631 ⋅53662561.

It can be written as a sum of positive squares in only one way, i.e., 113931226369 + 85219037929 = 337537^2 + 291923^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49787566073 + ... + 49787566076.

Almost surely, 2^199150264298 is an apocalyptic number.

199150264298 is a deficient number, since it is larger than the sum of its proper divisors (99575132152).

199150264298 is an equidigital number, since it uses as much as digits as its factorization.

199150264298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99575132151.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 199150264298 in words is "one hundred ninety-nine billion, one hundred fifty million, two hundred sixty-four thousand, two hundred ninety-eight".