989692199 has 2 divisors, whose sum is σ = 989692200. Its totient is φ = 989692198.

The previous prime is 989692189. The next prime is 989692211. The reversal of 989692199 is 991296989.

It is a weak prime.

It is an emirp because it is prime and its reverse (991296989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989692199 - 2⁴ = 989692183 is a prime.

It is a super-2 number, since 2×989692199² = 1958981297522911202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989692189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494846099 + 494846100.

It is an arithmetic number, because the mean of its divisors is an integer number (494846100).

Almost surely, 2^989692199 is an apocalyptic number.

989692199 is a deficient number, since it is larger than the sum of its proper divisors (1).

989692199 is an equidigital number, since it uses as much as digits as its factorization.

989692199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 62.

The square root of 989692199 is about 31459.3737858845. The cubic root of 989692199 is about 996.5521926194.

The spelling of 989692199 in words is "nine hundred eighty-nine million, six hundred ninety-two thousand, one hundred ninety-nine".