486308689 has 2 divisors, whose sum is σ = 486308690. Its totient is φ = 486308688.

The previous prime is 486308663. The next prime is 486308701. The reversal of 486308689 is 986803684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479259664 + 7049025 = 21892^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 486308689 - 2¹⁷ = 486177617 is a prime.

It is a super-2 number, since 2×486308689² = 472992281993797442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (486308609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243154344 + 243154345.

It is an arithmetic number, because the mean of its divisors is an integer number (243154345).

Almost surely, 2^486308689 is an apocalyptic number.

It is an amenable number.

486308689 is a deficient number, since it is larger than the sum of its proper divisors (1).

486308689 is an equidigital number, since it uses as much as digits as its factorization.

486308689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The square root of 486308689 is about 22052.4077823715. The cubic root of 486308689 is about 786.3888427112.

The spelling of 486308689 in words is "four hundred eighty-six million, three hundred eight thousand, six hundred eighty-nine".