994945499 has 2 divisors, whose sum is σ = 994945500. Its totient is φ = 994945498.

The previous prime is 994945489. The next prime is 994945517. The reversal of 994945499 is 994549499.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994945499 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994945439) 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, 497472749 + 497472750.

It is an arithmetic number, because the mean of its divisors is an integer number (497472750).

Almost surely, 2^994945499 is an apocalyptic number.

994945499 is a deficient number, since it is larger than the sum of its proper divisors (1).

994945499 is an equidigital number, since it uses as much as digits as its factorization.

994945499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18895680, while the sum is 62.

The square root of 994945499 is about 31542.7566804171. The cubic root of 994945499 is about 998.3123196708.

The spelling of 994945499 in words is "nine hundred ninety-four million, nine hundred forty-five thousand, four hundred ninety-nine".