199484291 has 2 divisors, whose sum is σ = 199484292. Its totient is φ = 199484290.

The previous prime is 199484269. The next prime is 199484387. The reversal of 199484291 is 192484991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199484291 - 2¹⁰ = 199483267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199484261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99742145 + 99742146.

It is an arithmetic number, because the mean of its divisors is an integer number (99742146).

Almost surely, 2^199484291 is an apocalyptic number.

199484291 is a deficient number, since it is larger than the sum of its proper divisors (1).

199484291 is an equidigital number, since it uses as much as digits as its factorization.

199484291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 47.

The square root of 199484291 is about 14123.8907883062. The cubic root of 199484291 is about 584.3004675684.

The spelling of 199484291 in words is "one hundred ninety-nine million, four hundred eighty-four thousand, two hundred ninety-one".