199043420367 has 32 divisors (see below), whose sum is σ = 306948096000. Its totient is φ = 113461071840.

The previous prime is 199043420363. The next prime is 199043420399. The reversal of 199043420367 is 763024340991.

It is a happy number.

It is not a de Polignac number, because 199043420367 - 2² = 199043420363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199043420363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1054767 + ... + 1229072.

It is an arithmetic number, because the mean of its divisors is an integer number (9592128000).

Almost surely, 2^199043420367 is an apocalyptic number.

199043420367 is a deficient number, since it is larger than the sum of its proper divisors (107904675633).

199043420367 is a wasteful number, since it uses less digits than its factorization.

199043420367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284011.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 199043420367 in words is "one hundred ninety-nine billion, forty-three million, four hundred twenty thousand, three hundred sixty-seven".