994194973 has 2 divisors, whose sum is σ = 994194974. Its totient is φ = 994194972.

The previous prime is 994194953. The next prime is 994194979. The reversal of 994194973 is 379491499.

994194973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869247289 + 124947684 = 29483^2 + 11178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994194973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994194979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497097486 + 497097487.

It is an arithmetic number, because the mean of its divisors is an integer number (497097487).

Almost surely, 2^994194973 is an apocalyptic number.

It is an amenable number.

994194973 is a deficient number, since it is larger than the sum of its proper divisors (1).

994194973 is an equidigital number, since it uses as much as digits as its factorization.

994194973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 994194973 is about 31530.8574732753. The cubic root of 994194973 is about 998.0612346179.

The spelling of 994194973 in words is "nine hundred ninety-four million, one hundred ninety-four thousand, nine hundred seventy-three".