199056043 has 4 divisors (see below), whose sum is σ = 210765240. Its totient is φ = 187346848.

The previous prime is 199056031. The next prime is 199056047. The reversal of 199056043 is 340650991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340650991 = 577 ⋅590383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199056043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199055993 and 199056011.

It is not an unprimeable number, because it can be changed into a prime (199056047) 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, 5854573 + ... + 5854606.

It is an arithmetic number, because the mean of its divisors is an integer number (52691310).

Almost surely, 2^199056043 is an apocalyptic number.

199056043 is a deficient number, since it is larger than the sum of its proper divisors (11709197).

199056043 is a wasteful number, since it uses less digits than its factorization.

199056043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709196.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 199056043 is about 14108.7222313007. The cubic root of 199056043 is about 583.8820473533.

The spelling of 199056043 in words is "one hundred ninety-nine million, fifty-six thousand, forty-three".