411479209 has 2 divisors, whose sum is σ = 411479210. Its totient is φ = 411479208.

The previous prime is 411479153. The next prime is 411479249. The reversal of 411479209 is 902974114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237160000 + 174319209 = 15400^2 + 13203^2 .

It is a cyclic number.

It is not a de Polignac number, because 411479209 - 2¹¹ = 411477161 is a prime.

It is not a weakly prime, because it can be changed into another prime (411479249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205739604 + 205739605.

It is an arithmetic number, because the mean of its divisors is an integer number (205739605).

Almost surely, 2^411479209 is an apocalyptic number.

It is an amenable number.

411479209 is a deficient number, since it is larger than the sum of its proper divisors (1).

411479209 is an equidigital number, since it uses as much as digits as its factorization.

411479209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 411479209 is about 20284.9503080486. The cubic root of 411479209 is about 743.7882251003.

The spelling of 411479209 in words is "four hundred eleven million, four hundred seventy-nine thousand, two hundred nine".