486676189 has 2 divisors, whose sum is σ = 486676190. Its totient is φ = 486676188.

The previous prime is 486676139. The next prime is 486676217. The reversal of 486676189 is 981676684.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466128100 + 20548089 = 21590^2 + 4533^2 .

It is a cyclic number.

It is not a de Polignac number, because 486676189 - 2²⁷ = 352458461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486676139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243338094 + 243338095.

It is an arithmetic number, because the mean of its divisors is an integer number (243338095).

Almost surely, 2^486676189 is an apocalyptic number.

It is an amenable number.

486676189 is a deficient number, since it is larger than the sum of its proper divisors (1).

486676189 is an equidigital number, since it uses as much as digits as its factorization.

486676189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 486676189 is about 22060.7386322399. The cubic root of 486676189 is about 786.5868823095.

The spelling of 486676189 in words is "four hundred eighty-six million, six hundred seventy-six thousand, one hundred eighty-nine".