994086913 has 2 divisors, whose sum is σ = 994086914. Its totient is φ = 994086912.

The previous prime is 994086901. The next prime is 994086923. The reversal of 994086913 is 319680499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 977375169 + 16711744 = 31263^2 + 4088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994086913 is a prime.

It is not a weakly prime, because it can be changed into another prime (994086923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497043456 + 497043457.

It is an arithmetic number, because the mean of its divisors is an integer number (497043457).

Almost surely, 2^994086913 is an apocalyptic number.

It is an amenable number.

994086913 is a deficient number, since it is larger than the sum of its proper divisors (1).

994086913 is an equidigital number, since it uses as much as digits as its factorization.

994086913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 994086913 is about 31529.1438672223. The cubic root of 994086913 is about 998.0250732319.

The spelling of 994086913 in words is "nine hundred ninety-four million, eighty-six thousand, nine hundred thirteen".