994993407073 has 2 divisors, whose sum is σ = 994993407074. Its totient is φ = 994993407072.

The previous prime is 994993407019. The next prime is 994993407131. The reversal of 994993407073 is 370704399499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730353124449 + 264640282624 = 854607^2 + 514432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994993407073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994993406996 and 994993407014.

It is not a weakly prime, because it can be changed into another prime (994993407673) 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, 497496703536 + 497496703537.

It is an arithmetic number, because the mean of its divisors is an integer number (497496703537).

Almost surely, 2^994993407073 is an apocalyptic number.

It is an amenable number.

994993407073 is a deficient number, since it is larger than the sum of its proper divisors (1).

994993407073 is an equidigital number, since it uses as much as digits as its factorization.

994993407073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46294416, while the sum is 64.

The spelling of 994993407073 in words is "nine hundred ninety-four billion, nine hundred ninety-three million, four hundred seven thousand, seventy-three".