630341109 has 10 divisors (see below), whose sum is σ = 941620790. Its totient is φ = 420227352.

The previous prime is 630341099. The next prime is 630341141. The reversal of 630341109 is 901143036.

It can be written as a sum of positive squares in only one way, i.e., 355511025 + 274830084 = 18855^2 + 16578^2 .

It is not a de Polignac number, because 630341109 - 2⁵ = 630341077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630341149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3890914 + ... + 3891075.

It is an arithmetic number, because the mean of its divisors is an integer number (94162079).

Almost surely, 2^630341109 is an apocalyptic number.

It is an amenable number.

630341109 is a deficient number, since it is larger than the sum of its proper divisors (311279681).

630341109 is an equidigital number, since it uses as much as digits as its factorization.

630341109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782001 (or 7781992 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 630341109 is about 25106.5949304162. The cubic root of 630341109 is about 857.4165797579.

The spelling of 630341109 in words is "six hundred thirty million, three hundred forty-one thousand, one hundred nine".