6629814589 has 2 divisors, whose sum is σ = 6629814590. Its totient is φ = 6629814588.

The previous prime is 6629814563. The next prime is 6629814593. The reversal of 6629814589 is 9854189266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6462552100 + 167262489 = 80390^2 + 12933^2 .

It is a cyclic number.

It is not a de Polignac number, because 6629814589 - 2¹³ = 6629806397 is a prime.

It is a super-3 number, since 3×6629814589³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6629814599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314907294 + 3314907295.

It is an arithmetic number, because the mean of its divisors is an integer number (3314907295).

Almost surely, 2^6629814589 is an apocalyptic number.

It is an amenable number.

6629814589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629814589 is an equidigital number, since it uses as much as digits as its factorization.

6629814589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 58.

The square root of 6629814589 is about 81423.6733941671. The cubic root of 6629814589 is about 1878.5977347929.

The spelling of 6629814589 in words is "six billion, six hundred twenty-nine million, eight hundred fourteen thousand, five hundred eighty-nine".