199837522232063 has 2 divisors, whose sum is σ = 199837522232064. Its totient is φ = 199837522232062.

The previous prime is 199837522232011. The next prime is 199837522232107. The reversal of 199837522232063 is 360232225738991.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199837522232063 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 199837522231987 and 199837522232005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199837522235063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99918761116031 + 99918761116032.

It is an arithmetic number, because the mean of its divisors is an integer number (99918761116032).

Almost surely, 2^{199837522232063} is an apocalyptic number.

199837522232063 is a deficient number, since it is larger than the sum of its proper divisors (1).

199837522232063 is an equidigital number, since it uses as much as digits as its factorization.

199837522232063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 199837522232063 in words is "one hundred ninety-nine trillion, eight hundred thirty-seven billion, five hundred twenty-two million, two hundred thirty-two thousand, sixty-three".