994612219 has 2 divisors, whose sum is σ = 994612220. Its totient is φ = 994612218.

The previous prime is 994612189. The next prime is 994612249. The reversal of 994612219 is 912216499.

It is a balanced prime because it is at equal distance from previous prime (994612189) and next prime (994612249).

It is an emirp because it is prime and its reverse (912216499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 994612219 - 2¹¹ = 994610171 is a prime.

It is a super-2 number, since 2×994612219² = 1978506932368207922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (994612249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497306109 + 497306110.

It is an arithmetic number, because the mean of its divisors is an integer number (497306110).

Almost surely, 2^994612219 is an apocalyptic number.

994612219 is a deficient number, since it is larger than the sum of its proper divisors (1).

994612219 is an equidigital number, since it uses as much as digits as its factorization.

994612219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 994612219 is about 31537.4732500877. The cubic root of 994612219 is about 998.2008379572.

The spelling of 994612219 in words is "nine hundred ninety-four million, six hundred twelve thousand, two hundred nineteen".