994705949 has 2 divisors, whose sum is σ = 994705950. Its totient is φ = 994705948.

The previous prime is 994705889. The next prime is 994705951. The reversal of 994705949 is 949507499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922336900 + 72369049 = 30370^2 + 8507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994705949 is a prime.

Together with 994705951, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 994705894 and 994705903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994705969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497352974 + 497352975.

It is an arithmetic number, because the mean of its divisors is an integer number (497352975).

Almost surely, 2^994705949 is an apocalyptic number.

It is an amenable number.

994705949 is a deficient number, since it is larger than the sum of its proper divisors (1).

994705949 is an equidigital number, since it uses as much as digits as its factorization.

994705949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 994705949 is about 31538.9592250600. The cubic root of 994705949 is about 998.2321930334.

The spelling of 994705949 in words is "nine hundred ninety-four million, seven hundred five thousand, nine hundred forty-nine".