199534063 has 2 divisors, whose sum is σ = 199534064. Its totient is φ = 199534062.

The previous prime is 199534043. The next prime is 199534103. The reversal of 199534063 is 360435991.

It is an a-pointer prime, because the next prime (199534103) can be obtained adding 199534063 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199534063 - 2²⁵ = 165979631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199534033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99767031 + 99767032.

It is an arithmetic number, because the mean of its divisors is an integer number (99767032).

Almost surely, 2^199534063 is an apocalyptic number.

199534063 is a deficient number, since it is larger than the sum of its proper divisors (1).

199534063 is an equidigital number, since it uses as much as digits as its factorization.

199534063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 199534063 is about 14125.6526574881. The cubic root of 199534063 is about 584.3490585032.

The spelling of 199534063 in words is "one hundred ninety-nine million, five hundred thirty-four thousand, sixty-three".