6630316849 has 4 divisors (see below), whose sum is σ = 7140341236. Its totient is φ = 6120292464.

The previous prime is 6630316843. The next prime is 6630316853. The reversal of 6630316849 is 9486130366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1403026849 + 5227290000 = 37457^2 + 72300^2 .

It is not a de Polignac number, because 6630316849 - 2¹⁵ = 6630284081 is a prime.

It is a super-2 number, since 2×6630316849² = 87922203036266577602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6630316799 and 6630316808.

It is not an unprimeable number, because it can be changed into a prime (6630316843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255012174 + ... + 255012199.

It is an arithmetic number, because the mean of its divisors is an integer number (1785085309).

Almost surely, 2^6630316849 is an apocalyptic number.

It is an amenable number.

6630316849 is a deficient number, since it is larger than the sum of its proper divisors (510024387).

6630316849 is a wasteful number, since it uses less digits than its factorization.

6630316849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510024386.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 6630316849 is about 81426.7575739081. The cubic root of 6630316849 is about 1878.6451730563.

The spelling of 6630316849 in words is "six billion, six hundred thirty million, three hundred sixteen thousand, eight hundred forty-nine".