630358847 has 6 divisors (see below), whose sum is σ = 639912168. Its totient is φ = 620946084.

The previous prime is 630358843. The next prime is 630358853. The reversal of 630358847 is 748853036.

630358847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630358847 - 2² = 630358843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 630358798 and 630358807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630358843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65723 + ... + 74700.

It is an arithmetic number, because the mean of its divisors is an integer number (106652028).

Almost surely, 2^630358847 is an apocalyptic number.

630358847 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

630358847 is a deficient number, since it is larger than the sum of its proper divisors (9553321).

630358847 is an equidigital number, since it uses as much as digits as its factorization.

630358847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140557 (or 140490 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 630358847 is about 25106.9481817285. The cubic root of 630358847 is about 857.4246223412.

The spelling of 630358847 in words is "six hundred thirty million, three hundred fifty-eight thousand, eight hundred forty-seven".