994222042543 has 2 divisors, whose sum is σ = 994222042544. Its totient is φ = 994222042542.

The previous prime is 994222042493. The next prime is 994222042553. The reversal of 994222042543 is 345240222499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994222042543 - 2⁹ = 994222042031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994222042493 and 994222042502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994222042553) 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, 497111021271 + 497111021272.

It is an arithmetic number, because the mean of its divisors is an integer number (497111021272).

Almost surely, 2^994222042543 is an apocalyptic number.

994222042543 is a deficient number, since it is larger than the sum of its proper divisors (1).

994222042543 is an equidigital number, since it uses as much as digits as its factorization.

994222042543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 994222042543 in words is "nine hundred ninety-four billion, two hundred twenty-two million, forty-two thousand, five hundred forty-three".