630730499 has 12 divisors (see below), whose sum is σ = 736765128. Its totient is φ = 538372800.

The previous prime is 630730469. The next prime is 630730501. The reversal of 630730499 is 994037036.

It is a de Polignac number, because none of the positive numbers 2^k-630730499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630730409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14897 + ... + 38514.

It is an arithmetic number, because the mean of its divisors is an integer number (61397094).

Almost surely, 2^630730499 is an apocalyptic number.

630730499 is a deficient number, since it is larger than the sum of its proper divisors (106034629).

630730499 is a wasteful number, since it uses less digits than its factorization.

630730499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53666 (or 53659 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 630730499 is about 25114.3484685548. The cubic root of 630730499 is about 857.5930983190.

The spelling of 630730499 in words is "six hundred thirty million, seven hundred thirty thousand, four hundred ninety-nine".