219469823959 has 2 divisors, whose sum is σ = 219469823960. Its totient is φ = 219469823958.

The previous prime is 219469823941. The next prime is 219469824053. The reversal of 219469823959 is 959328964912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 219469823959 - 2³¹ = 217322340311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 219469823894 and 219469823903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219469823939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109734911979 + 109734911980.

It is an arithmetic number, because the mean of its divisors is an integer number (109734911980).

Almost surely, 2^219469823959 is an apocalyptic number.

219469823959 is a deficient number, since it is larger than the sum of its proper divisors (1).

219469823959 is an equidigital number, since it uses as much as digits as its factorization.

219469823959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 67.

The spelling of 219469823959 in words is "two hundred nineteen billion, four hundred sixty-nine million, eight hundred twenty-three thousand, nine hundred fifty-nine".