6489629 has 2 divisors, whose sum is σ = 6489630. Its totient is φ = 6489628.

The previous prime is 6489601. The next prime is 6489641. The reversal of 6489629 is 9269846.

6489629 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 2088025 = 2098^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 6489629 - 2²⁰ = 5441053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6489629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6485629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244814 + 3244815.

It is an arithmetic number, because the mean of its divisors is an integer number (3244815).

Almost surely, 2^6489629 is an apocalyptic number.

It is an amenable number.

6489629 is a deficient number, since it is larger than the sum of its proper divisors (1).

6489629 is an equidigital number, since it uses as much as digits as its factorization.

6489629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 6489629 is about 2547.4750244114. The cubic root of 6489629 is about 186.5262489199.

The spelling of 6489629 in words is "six million, four hundred eighty-nine thousand, six hundred twenty-nine".