6829626989 has 2 divisors, whose sum is σ = 6829626990. Its totient is φ = 6829626988.

The previous prime is 6829626953. The next prime is 6829626997. The reversal of 6829626989 is 9896269286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4647148900 + 2182478089 = 68170^2 + 46717^2 .

It is a cyclic number.

It is not a de Polignac number, because 6829626989 - 2¹² = 6829622893 is a prime.

It is a super-2 number, since 2×6829626989² = 93287609617754412242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6829626889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3414813494 + 3414813495.

It is an arithmetic number, because the mean of its divisors is an integer number (3414813495).

Almost surely, 2^6829626989 is an apocalyptic number.

It is an amenable number.

6829626989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6829626989 is an equidigital number, since it uses as much as digits as its factorization.

6829626989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40310784, while the sum is 65.

The square root of 6829626989 is about 82641.5572759855. The cubic root of 6829626989 is about 1897.2839298176.

The spelling of 6829626989 in words is "six billion, eight hundred twenty-nine million, six hundred twenty-six thousand, nine hundred eighty-nine".