994033913 has 2 divisors, whose sum is σ = 994033914. Its totient is φ = 994033912.

The previous prime is 994033907. The next prime is 994033927. The reversal of 994033913 is 319330499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893292544 + 100741369 = 29888^2 + 10037^2 .

It is a cyclic number.

It is not a de Polignac number, because 994033913 - 2⁸ = 994033657 is a prime.

It is not a weakly prime, because it can be changed into another prime (994033903) 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, 497016956 + 497016957.

It is an arithmetic number, because the mean of its divisors is an integer number (497016957).

Almost surely, 2^994033913 is an apocalyptic number.

It is an amenable number.

994033913 is a deficient number, since it is larger than the sum of its proper divisors (1).

994033913 is an equidigital number, since it uses as much as digits as its factorization.

994033913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 994033913 is about 31528.3033638031. The cubic root of 994033913 is about 998.0073362620.

The spelling of 994033913 in words is "nine hundred ninety-four million, thirty-three thousand, nine hundred thirteen".