219712328063 has 2 divisors, whose sum is σ = 219712328064. Its totient is φ = 219712328062.

The previous prime is 219712328039. The next prime is 219712328083. The reversal of 219712328063 is 360823217912.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 219712328063 - 2¹⁸ = 219712065919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219712328083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109856164031 + 109856164032.

It is an arithmetic number, because the mean of its divisors is an integer number (109856164032).

Almost surely, 2^219712328063 is an apocalyptic number.

219712328063 is a deficient number, since it is larger than the sum of its proper divisors (1).

219712328063 is an equidigital number, since it uses as much as digits as its factorization.

219712328063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 219712328063 in words is "two hundred nineteen billion, seven hundred twelve million, three hundred twenty-eight thousand, sixty-three".