663006089 has 2 divisors, whose sum is σ = 663006090. Its totient is φ = 663006088.

The previous prime is 663006059. The next prime is 663006109. The reversal of 663006089 is 980600366.

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., 422508025 + 240498064 = 20555^2 + 15508^2 .

It is a cyclic number.

It is not a de Polignac number, because 663006089 - 2²⁴ = 646228873 is a prime.

It is not a weakly prime, because it can be changed into another prime (663006059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331503044 + 331503045.

It is an arithmetic number, because the mean of its divisors is an integer number (331503045).

Almost surely, 2^663006089 is an apocalyptic number.

It is an amenable number.

663006089 is a deficient number, since it is larger than the sum of its proper divisors (1).

663006089 is an equidigital number, since it uses as much as digits as its factorization.

663006089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 663006089 is about 25748.9046174784. The cubic root of 663006089 is about 871.9786247496.

The spelling of 663006089 in words is "six hundred sixty-three million, six thousand, eighty-nine".