199660462403 has 2 divisors, whose sum is σ = 199660462404. Its totient is φ = 199660462402.

The previous prime is 199660462319. The next prime is 199660462453. The reversal of 199660462403 is 304264066991.

199660462403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (199660462453) can be obtained adding 199660462403 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199660462403 - 2¹⁰ = 199660461379 is a prime.

It is not a weakly prime, because it can be changed into another prime (199660462453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99830231201 + 99830231202.

It is an arithmetic number, because the mean of its divisors is an integer number (99830231202).

Almost surely, 2^199660462403 is an apocalyptic number.

199660462403 is a deficient number, since it is larger than the sum of its proper divisors (1).

199660462403 is an equidigital number, since it uses as much as digits as its factorization.

199660462403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 199660462403 in words is "one hundred ninety-nine billion, six hundred sixty million, four hundred sixty-two thousand, four hundred three".