6630000647 has 2 divisors, whose sum is σ = 6630000648. Its totient is φ = 6630000646.

The previous prime is 6630000593. The next prime is 6630000679. The reversal of 6630000647 is 7460000366.

It is an a-pointer prime, because the next prime (6630000679) can be obtained adding 6630000647 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6630000647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6630000347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315000323 + 3315000324.

It is an arithmetic number, because the mean of its divisors is an integer number (3315000324).

Almost surely, 2^6630000647 is an apocalyptic number.

6630000647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630000647 is an equidigital number, since it uses as much as digits as its factorization.

6630000647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 6630000647 is about 81424.8159162795. The cubic root of 6630000647 is about 1878.6153081787.

The spelling of 6630000647 in words is "six billion, six hundred thirty million, six hundred forty-seven", and thus it is an aban number.