8268320629 has 2 divisors, whose sum is σ = 8268320630. Its totient is φ = 8268320628.

The previous prime is 8268320603. The next prime is 8268320659. The reversal of 8268320629 is 9260238628.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7105647025 + 1162673604 = 84295^2 + 34098^2 .

It is a cyclic number.

It is not a de Polignac number, because 8268320629 - 2²¹ = 8266223477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8268320659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134160314 + 4134160315.

It is an arithmetic number, because the mean of its divisors is an integer number (4134160315).

Almost surely, 2^8268320629 is an apocalyptic number.

It is an amenable number.

8268320629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268320629 is an equidigital number, since it uses as much as digits as its factorization.

8268320629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 8268320629 is about 90930.3064385027. The cubic root of 8268320629 is about 2022.1146228693.

The spelling of 8268320629 in words is "eight billion, two hundred sixty-eight million, three hundred twenty thousand, six hundred twenty-nine".