6746669945 has 8 divisors (see below), whose sum is σ = 8130752136. Its totient is φ = 5374170496.

The previous prime is 6746669933. The next prime is 6746669977. The reversal of 6746669945 is 5499666476.

6746669945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 122500624 + 6624169321 = 11068^2 + 81389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6746669945 - 2¹⁴ = 6746653561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894402 + ... + 2896731.

It is an arithmetic number, because the mean of its divisors is an integer number (1016344017).

Almost surely, 2^6746669945 is an apocalyptic number.

It is an amenable number.

6746669945 is a deficient number, since it is larger than the sum of its proper divisors (1384082191).

6746669945 is a wasteful number, since it uses less digits than its factorization.

6746669945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791371.

The product of its digits is 58786560, while the sum is 62.

The square root of 6746669945 is about 82138.1150562880. The cubic root of 6746669945 is about 1889.5707380618.

The spelling of 6746669945 in words is "six billion, seven hundred forty-six million, six hundred sixty-nine thousand, nine hundred forty-five".