199046651 has 2 divisors, whose sum is σ = 199046652. Its totient is φ = 199046650.

The previous prime is 199046593. The next prime is 199046671. The reversal of 199046651 is 156640991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199046651 - 2⁶ = 199046587 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 199046599 and 199046608.

It is not a weakly prime, because it can be changed into another prime (199046671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99523325 + 99523326.

It is an arithmetic number, because the mean of its divisors is an integer number (99523326).

Almost surely, 2^199046651 is an apocalyptic number.

199046651 is a deficient number, since it is larger than the sum of its proper divisors (1).

199046651 is an equidigital number, since it uses as much as digits as its factorization.

199046651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 199046651 is about 14108.3893836256. The cubic root of 199046651 is about 583.8728641666.

The spelling of 199046651 in words is "one hundred ninety-nine million, forty-six thousand, six hundred fifty-one".