669326113 has 2 divisors, whose sum is σ = 669326114. Its totient is φ = 669326112.

The previous prime is 669326111. The next prime is 669326117. The reversal of 669326113 is 311623966.

669326113 is digitally balanced in base 2, 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., 616429584 + 52896529 = 24828^2 + 7273^2 .

669326113 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 669326113 - 2¹ = 669326111 is a prime.

Together with 669326111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (669326111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334663056 + 334663057.

It is an arithmetic number, because the mean of its divisors is an integer number (334663057).

Almost surely, 2^669326113 is an apocalyptic number.

It is an amenable number.

669326113 is a deficient number, since it is larger than the sum of its proper divisors (1).

669326113 is an equidigital number, since it uses as much as digits as its factorization.

669326113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 669326113 is about 25871.3376731857. The cubic root of 669326113 is about 874.7405436991.

The spelling of 669326113 in words is "six hundred sixty-nine million, three hundred twenty-six thousand, one hundred thirteen".