199013783 has 2 divisors, whose sum is σ = 199013784. Its totient is φ = 199013782.

The previous prime is 199013767. The next prime is 199013791. The reversal of 199013783 is 387310991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199013783 - 2⁴ = 199013767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199013783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199013743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99506891 + 99506892.

It is an arithmetic number, because the mean of its divisors is an integer number (99506892).

Almost surely, 2^199013783 is an apocalyptic number.

199013783 is a deficient number, since it is larger than the sum of its proper divisors (1).

199013783 is an equidigital number, since it uses as much as digits as its factorization.

199013783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 199013783 is about 14107.2244966896. The cubic root of 199013783 is about 583.8407246495.

The spelling of 199013783 in words is "one hundred ninety-nine million, thirteen thousand, seven hundred eighty-three".