19395052223 has 2 divisors, whose sum is σ = 19395052224. Its totient is φ = 19395052222.

The previous prime is 19395052219. The next prime is 19395052247. The reversal of 19395052223 is 32225059391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19395052223 - 2² = 19395052219 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19395051223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9697526111 + 9697526112.

It is an arithmetic number, because the mean of its divisors is an integer number (9697526112).

Almost surely, 2^19395052223 is an apocalyptic number.

19395052223 is a deficient number, since it is larger than the sum of its proper divisors (1).

19395052223 is an equidigital number, since it uses as much as digits as its factorization.

19395052223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 19395052223 in words is "nineteen billion, three hundred ninety-five million, fifty-two thousand, two hundred twenty-three".