486134809 has 2 divisors, whose sum is σ = 486134810. Its totient is φ = 486134808.

The previous prime is 486134707. The next prime is 486134833. The reversal of 486134809 is 908431684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482022025 + 4112784 = 21955^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 486134809 - 2¹³ = 486126617 is a prime.

It is not a weakly prime, because it can be changed into another prime (486134899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243067404 + 243067405.

It is an arithmetic number, because the mean of its divisors is an integer number (243067405).

Almost surely, 2^486134809 is an apocalyptic number.

It is an amenable number.

486134809 is a deficient number, since it is larger than the sum of its proper divisors (1).

486134809 is an equidigital number, since it uses as much as digits as its factorization.

486134809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 486134809 is about 22048.4650032604. The cubic root of 486134809 is about 786.2951069180.

The spelling of 486134809 in words is "four hundred eighty-six million, one hundred thirty-four thousand, eight hundred nine".