979466209 has 2 divisors, whose sum is σ = 979466210. Its totient is φ = 979466208.

The previous prime is 979466167. The next prime is 979466249. The reversal of 979466209 is 902664979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972192400 + 7273809 = 31180^2 + 2697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979466209 is a prime.

It is not a weakly prime, because it can be changed into another prime (979466249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489733104 + 489733105.

It is an arithmetic number, because the mean of its divisors is an integer number (489733105).

Almost surely, 2^979466209 is an apocalyptic number.

It is an amenable number.

979466209 is a deficient number, since it is larger than the sum of its proper divisors (1).

979466209 is an equidigital number, since it uses as much as digits as its factorization.

979466209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 979466209 is about 31296.4248597184. The cubic root of 979466209 is about 993.1080126321.

The spelling of 979466209 in words is "nine hundred seventy-nine million, four hundred sixty-six thousand, two hundred nine".