994822199573 has 2 divisors, whose sum is σ = 994822199574. Its totient is φ = 994822199572.

The previous prime is 994822199549. The next prime is 994822199611. The reversal of 994822199573 is 375991228499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912976428004 + 81845771569 = 955498^2 + 286087^2 .

It is an emirp because it is prime and its reverse (375991228499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994822199573 - 2¹⁴ = 994822183189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994822199543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497411099786 + 497411099787.

It is an arithmetic number, because the mean of its divisors is an integer number (497411099787).

Almost surely, 2^994822199573 is an apocalyptic number.

It is an amenable number.

994822199573 is a deficient number, since it is larger than the sum of its proper divisors (1).

994822199573 is an equidigital number, since it uses as much as digits as its factorization.

994822199573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 68.

The spelling of 994822199573 in words is "nine hundred ninety-four billion, eight hundred twenty-two million, one hundred ninety-nine thousand, five hundred seventy-three".