219074223679 has 2 divisors, whose sum is σ = 219074223680. Its totient is φ = 219074223678.

The previous prime is 219074223653. The next prime is 219074223691. The reversal of 219074223679 is 976322470912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219074223679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219074203679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109537111839 + 109537111840.

It is an arithmetic number, because the mean of its divisors is an integer number (109537111840).

Almost surely, 2^219074223679 is an apocalyptic number.

219074223679 is a deficient number, since it is larger than the sum of its proper divisors (1).

219074223679 is an equidigital number, since it uses as much as digits as its factorization.

219074223679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 219074223679 in words is "two hundred nineteen billion, seventy-four million, two hundred twenty-three thousand, six hundred seventy-nine".