6696408623 has 4 divisors (see below), whose sum is σ = 6987556848. Its totient is φ = 6405260400.

The previous prime is 6696408571. The next prime is 6696408643. The reversal of 6696408623 is 3268046966.

6696408623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6696408623 - 2¹⁴ = 6696392239 is a prime.

It is a super-2 number, since 2×6696408623² = 89683776892377512258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6696408643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145574078 + ... + 145574123.

It is an arithmetic number, because the mean of its divisors is an integer number (1746889212).

Almost surely, 2^6696408623 is an apocalyptic number.

6696408623 is a deficient number, since it is larger than the sum of its proper divisors (291148225).

6696408623 is a wasteful number, since it uses less digits than its factorization.

6696408623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291148224.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The square root of 6696408623 is about 81831.5869514945. The cubic root of 6696408623 is about 1884.8667311683.

The spelling of 6696408623 in words is "six billion, six hundred ninety-six million, four hundred eight thousand, six hundred twenty-three".