630207089 has 2 divisors, whose sum is σ = 630207090. Its totient is φ = 630207088.

The previous prime is 630207079. The next prime is 630207103. The reversal of 630207089 is 980702036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601230400 + 28976689 = 24520^2 + 5383^2 .

It is a cyclic number.

It is not a de Polignac number, because 630207089 - 2²⁰ = 629158513 is a prime.

It is not a weakly prime, because it can be changed into another prime (630207079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315103544 + 315103545.

It is an arithmetic number, because the mean of its divisors is an integer number (315103545).

Almost surely, 2^630207089 is an apocalyptic number.

It is an amenable number.

630207089 is a deficient number, since it is larger than the sum of its proper divisors (1).

630207089 is an equidigital number, since it uses as much as digits as its factorization.

630207089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 630207089 is about 25103.9257686920. The cubic root of 630207089 is about 857.3558088973.

The spelling of 630207089 in words is "six hundred thirty million, two hundred seven thousand, eighty-nine".