999070199 has 2 divisors, whose sum is σ = 999070200. Its totient is φ = 999070198.

The previous prime is 999070183. The next prime is 999070207. The reversal of 999070199 is 991070999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999070199 - 2⁴ = 999070183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999070199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999070099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499535099 + 499535100.

It is an arithmetic number, because the mean of its divisors is an integer number (499535100).

Almost surely, 2^999070199 is an apocalyptic number.

999070199 is a deficient number, since it is larger than the sum of its proper divisors (1).

999070199 is an equidigital number, since it uses as much as digits as its factorization.

999070199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 53.

The square root of 999070199 is about 31608.0717380861. The cubic root of 999070199 is about 999.6899702248.

The spelling of 999070199 in words is "nine hundred ninety-nine million, seventy thousand, one hundred ninety-nine".