199320463 has 4 divisors (see below), whose sum is σ = 200332440. Its totient is φ = 198308488.

The previous prime is 199320413. The next prime is 199320479. The reversal of 199320463 is 364023991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364023991 = 3511 ⋅103681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199320463 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 (199320403) 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, 505693 + ... + 506086.

It is an arithmetic number, because the mean of its divisors is an integer number (50083110).

Almost surely, 2^199320463 is an apocalyptic number.

199320463 is a deficient number, since it is larger than the sum of its proper divisors (1011977).

199320463 is a wasteful number, since it uses less digits than its factorization.

199320463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011976.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 199320463 is about 14118.0899203823. The cubic root of 199320463 is about 584.1404700177.

The spelling of 199320463 in words is "one hundred ninety-nine million, three hundred twenty thousand, four hundred sixty-three".