199883653 has 2 divisors, whose sum is σ = 199883654. Its totient is φ = 199883652.

The previous prime is 199883633. The next prime is 199883659. The reversal of 199883653 is 356388991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139074849 + 60808804 = 11793^2 + 7798^2 .

It is a cyclic number.

It is not a de Polignac number, because 199883653 - 2²⁵ = 166329221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199883653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199883659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99941826 + 99941827.

It is an arithmetic number, because the mean of its divisors is an integer number (99941827).

Almost surely, 2^199883653 is an apocalyptic number.

It is an amenable number.

199883653 is a deficient number, since it is larger than the sum of its proper divisors (1).

199883653 is an equidigital number, since it uses as much as digits as its factorization.

199883653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 52.

The square root of 199883653 is about 14138.0215376834. The cubic root of 199883653 is about 584.6901254152.

The spelling of 199883653 in words is "one hundred ninety-nine million, eight hundred eighty-three thousand, six hundred fifty-three".