486161609 has 2 divisors, whose sum is σ = 486161610. Its totient is φ = 486161608.

The previous prime is 486161491. The next prime is 486161617. The reversal of 486161609 is 906161684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293368384 + 192793225 = 17128^2 + 13885^2 .

It is a cyclic number.

It is not a de Polignac number, because 486161609 - 2²⁴ = 469384393 is a prime.

It is a super-2 number, since 2×486161609² = 472706220130937762, which contains 22 as substring.

It is equal to p_25664549 and since 486161609 and 25664549 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (486161639) 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, 243080804 + 243080805.

It is an arithmetic number, because the mean of its divisors is an integer number (243080805).

Almost surely, 2^486161609 is an apocalyptic number.

It is an amenable number.

486161609 is a deficient number, since it is larger than the sum of its proper divisors (1).

486161609 is an equidigital number, since it uses as much as digits as its factorization.

486161609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 486161609 is about 22049.0727469434. The cubic root of 486161609 is about 786.3095558056.

The spelling of 486161609 in words is "four hundred eighty-six million, one hundred sixty-one thousand, six hundred nine".