6629501689 has 2 divisors, whose sum is σ = 6629501690. Its totient is φ = 6629501688.

The previous prime is 6629501657. The next prime is 6629501771. The reversal of 6629501689 is 9861059266.

6629501689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4101121600 + 2528380089 = 64040^2 + 50283^2 .

It is a cyclic number.

It is not a de Polignac number, because 6629501689 - 2⁵ = 6629501657 is a prime.

It is not a weakly prime, because it can be changed into another prime (6629501089) 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 as a sum of consecutive naturals, namely, 3314750844 + 3314750845.

It is an arithmetic number, because the mean of its divisors is an integer number (3314750845).

Almost surely, 2^6629501689 is an apocalyptic number.

It is an amenable number.

6629501689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629501689 is an equidigital number, since it uses as much as digits as its factorization.

6629501689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 6629501689 is about 81421.7519401296. The cubic root of 6629501689 is about 1878.5681802973.

The spelling of 6629501689 in words is "six billion, six hundred twenty-nine million, five hundred one thousand, six hundred eighty-nine".