6630747737 has 4 divisors (see below), whose sum is σ = 6979734480. Its totient is φ = 6281760996.

The previous prime is 6630747707. The next prime is 6630747743. The reversal of 6630747737 is 7377470366.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6630747737 - 2¹⁰ = 6630746713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6630747707) 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 3 ways as a sum of consecutive naturals, for example, 174493343 + ... + 174493380.

It is an arithmetic number, because the mean of its divisors is an integer number (1744933620).

Almost surely, 2^6630747737 is an apocalyptic number.

It is an amenable number.

6630747737 is a deficient number, since it is larger than the sum of its proper divisors (348986743).

6630747737 is a wasteful number, since it uses less digits than its factorization.

6630747737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348986742.

The product of its (nonzero) digits is 3111696, while the sum is 50.

The square root of 6630747737 is about 81429.4033933689. The cubic root of 6630747737 is about 1878.6858683526.

The spelling of 6630747737 in words is "six billion, six hundred thirty million, seven hundred forty-seven thousand, seven hundred thirty-seven".