319549984199 has 4 divisors (see below), whose sum is σ = 336368404440. Its totient is φ = 302731563960.

The previous prime is 319549984141. The next prime is 319549984231. The reversal of 319549984199 is 991489945913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991489945913 = 211 ⋅4699004483.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319549984199 is a prime.

It is a super-2 number, since 2×319549984199² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319549984499) 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, 8409210092 + ... + 8409210129.

It is an arithmetic number, because the mean of its divisors is an integer number (84092101110).

Almost surely, 2^319549984199 is an apocalyptic number.

319549984199 is a deficient number, since it is larger than the sum of its proper divisors (16818420241).

319549984199 is a wasteful number, since it uses less digits than its factorization.

319549984199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16818420240.

The product of its digits is 113374080, while the sum is 71.

The spelling of 319549984199 in words is "three hundred nineteen billion, five hundred forty-nine million, nine hundred eighty-four thousand, one hundred ninety-nine".