630307369 has 2 divisors, whose sum is σ = 630307370. Its totient is φ = 630307368.

The previous prime is 630307357. The next prime is 630307393. The reversal of 630307369 is 963703036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493417369 + 136890000 = 22213^2 + 11700^2 .

It is a cyclic number.

It is not a de Polignac number, because 630307369 - 2⁷ = 630307241 is a prime.

It is a super-2 number, since 2×630307369² = 794574758831404322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (630307339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315153684 + 315153685.

It is an arithmetic number, because the mean of its divisors is an integer number (315153685).

Almost surely, 2^630307369 is an apocalyptic number.

It is an amenable number.

630307369 is a deficient number, since it is larger than the sum of its proper divisors (1).

630307369 is an equidigital number, since it uses as much as digits as its factorization.

630307369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 37.

The square root of 630307369 is about 25105.9229864190. The cubic root of 630307369 is about 857.4012812942.

The spelling of 630307369 in words is "six hundred thirty million, three hundred seven thousand, three hundred sixty-nine".