199963039 has 2 divisors, whose sum is σ = 199963040. Its totient is φ = 199963038.

The previous prime is 199963013. The next prime is 199963069. The reversal of 199963039 is 930369991.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199963039 - 2¹¹ = 199960991 is a prime.

It is a super-2 number, since 2×199963039² = 79970433932231042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199962983 and 199963001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199963009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99981519 + 99981520.

It is an arithmetic number, because the mean of its divisors is an integer number (99981520).

Almost surely, 2^199963039 is an apocalyptic number.

199963039 is a deficient number, since it is larger than the sum of its proper divisors (1).

199963039 is an equidigital number, since it uses as much as digits as its factorization.

199963039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 354294, while the sum is 49.

The square root of 199963039 is about 14140.8287946641. The cubic root of 199963039 is about 584.7675205499.

The spelling of 199963039 in words is "one hundred ninety-nine million, nine hundred sixty-three thousand, thirty-nine".