412619209 has 2 divisors, whose sum is σ = 412619210. Its totient is φ = 412619208.

The previous prime is 412619197. The next prime is 412619213. The reversal of 412619209 is 902916214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284023609 + 128595600 = 16853^2 + 11340^2 .

It is a cyclic number.

It is not a de Polignac number, because 412619209 - 2⁵ = 412619177 is a prime.

It is a super-2 number, since 2×412619209² = 340509223271571362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (412689209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206309604 + 206309605.

It is an arithmetic number, because the mean of its divisors is an integer number (206309605).

Almost surely, 2^412619209 is an apocalyptic number.

It is an amenable number.

412619209 is a deficient number, since it is larger than the sum of its proper divisors (1).

412619209 is an equidigital number, since it uses as much as digits as its factorization.

412619209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 412619209 is about 20313.0305223027. The cubic root of 412619209 is about 744.4744782657.

The spelling of 412619209 in words is "four hundred twelve million, six hundred nineteen thousand, two hundred nine".