219384839743 has 2 divisors, whose sum is σ = 219384839744. Its totient is φ = 219384839742.

The previous prime is 219384839621. The next prime is 219384839759. The reversal of 219384839743 is 347938483912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219384839743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219384839783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109692419871 + 109692419872.

It is an arithmetic number, because the mean of its divisors is an integer number (109692419872).

Almost surely, 2^219384839743 is an apocalyptic number.

219384839743 is a deficient number, since it is larger than the sum of its proper divisors (1).

219384839743 is an equidigital number, since it uses as much as digits as its factorization.

219384839743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 61.

The spelling of 219384839743 in words is "two hundred nineteen billion, three hundred eighty-four million, eight hundred thirty-nine thousand, seven hundred forty-three".