6630346237 has 2 divisors, whose sum is σ = 6630346238. Its totient is φ = 6630346236.

The previous prime is 6630346231. The next prime is 6630346249. The reversal of 6630346237 is 7326430366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6608714436 + 21631801 = 81294^2 + 4651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6630346237 is a prime.

It is a super-2 number, since 2×6630346237² = 87922982445000120338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6630346237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6630346231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315173118 + 3315173119.

It is an arithmetic number, because the mean of its divisors is an integer number (3315173119).

Almost surely, 2^6630346237 is an apocalyptic number.

It is an amenable number.

6630346237 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630346237 is an equidigital number, since it uses as much as digits as its factorization.

6630346237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 40.

The square root of 6630346237 is about 81426.9380303595. The cubic root of 6630346237 is about 1878.6479486674.

The spelling of 6630346237 in words is "six billion, six hundred thirty million, three hundred forty-six thousand, two hundred thirty-seven".