6630474787 has 2 divisors, whose sum is σ = 6630474788. Its totient is φ = 6630474786.

The previous prime is 6630474749. The next prime is 6630474797. The reversal of 6630474787 is 7874740366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6630474787 - 2⁷ = 6630474659 is a prime.

It is not a weakly prime, because it can be changed into another prime (6630474737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315237393 + 3315237394.

It is an arithmetic number, because the mean of its divisors is an integer number (3315237394).

Almost surely, 2^6630474787 is an apocalyptic number.

6630474787 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630474787 is an equidigital number, since it uses as much as digits as its factorization.

6630474787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The square root of 6630474787 is about 81427.7273844727. The cubic root of 6630474787 is about 1878.6600897444.

The spelling of 6630474787 in words is "six billion, six hundred thirty million, four hundred seventy-four thousand, seven hundred eighty-seven".