199240711 has 2 divisors, whose sum is σ = 199240712. Its totient is φ = 199240710.

The previous prime is 199240709. The next prime is 199240729. The reversal of 199240711 is 117042991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199240711 - 2¹ = 199240709 is a prime.

Together with 199240709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199241711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99620355 + 99620356.

It is an arithmetic number, because the mean of its divisors is an integer number (99620356).

Almost surely, 2^199240711 is an apocalyptic number.

199240711 is a deficient number, since it is larger than the sum of its proper divisors (1).

199240711 is an equidigital number, since it uses as much as digits as its factorization.

199240711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 199240711 is about 14115.2651763968. The cubic root of 199240711 is about 584.0625509641.

The spelling of 199240711 in words is "one hundred ninety-nine million, two hundred forty thousand, seven hundred eleven".