994812899 has 2 divisors, whose sum is σ = 994812900. Its totient is φ = 994812898.

The previous prime is 994812893. The next prime is 994812937. The reversal of 994812899 is 998218499.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994812899 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (994812893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497406449 + 497406450.

It is an arithmetic number, because the mean of its divisors is an integer number (497406450).

Almost surely, 2^994812899 is an apocalyptic number.

994812899 is a deficient number, since it is larger than the sum of its proper divisors (1).

994812899 is an equidigital number, since it uses as much as digits as its factorization.

994812899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 59.

The square root of 994812899 is about 31540.6547015118. The cubic root of 994812899 is about 998.2679681309.

The spelling of 994812899 in words is "nine hundred ninety-four million, eight hundred twelve thousand, eight hundred ninety-nine".