916675009 has 2 divisors, whose sum is σ = 916675010. Its totient is φ = 916675008.

The previous prime is 916674977. The next prime is 916675021. The reversal of 916675009 is 900576619.

916675009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 671846400 + 244828609 = 25920^2 + 15647^2 .

It is a cyclic number.

It is not a de Polignac number, because 916675009 - 2⁵ = 916674977 is a prime.

It is not a weakly prime, because it can be changed into another prime (916675079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458337504 + 458337505.

It is an arithmetic number, because the mean of its divisors is an integer number (458337505).

Almost surely, 2^916675009 is an apocalyptic number.

It is an amenable number.

916675009 is a deficient number, since it is larger than the sum of its proper divisors (1).

916675009 is an equidigital number, since it uses as much as digits as its factorization.

916675009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 916675009 is about 30276.6413097622. The cubic root of 916675009 is about 971.4157273872.

The spelling of 916675009 in words is "nine hundred sixteen million, six hundred seventy-five thousand, nine".