1942644343 has 2 divisors, whose sum is σ = 1942644344. Its totient is φ = 1942644342.

The previous prime is 1942644323. The next prime is 1942644371. The reversal of 1942644343 is 3434462491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1942644343 - 2⁹ = 1942643831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1942644296 and 1942644305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1942644323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971322171 + 971322172.

It is an arithmetic number, because the mean of its divisors is an integer number (971322172).

Almost surely, 2^1942644343 is an apocalyptic number.

1942644343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942644343 is an equidigital number, since it uses as much as digits as its factorization.

1942644343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 1942644343 is about 44075.4392263991. The cubic root of 1942644343 is about 1247.7601152370.

The spelling of 1942644343 in words is "one billion, nine hundred forty-two million, six hundred forty-four thousand, three hundred forty-three".