6476446745 has 4 divisors (see below), whose sum is σ = 7771736100. Its totient is φ = 5181157392.

The previous prime is 6476446741. The next prime is 6476446751. The reversal of 6476446745 is 5476446746.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3569943001 + 2906503744 = 59749^2 + 53912^2 .

It is a cyclic number.

It is not a de Polignac number, because 6476446745 - 2² = 6476446741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6476446741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 647644670 + ... + 647644679.

It is an arithmetic number, because the mean of its divisors is an integer number (1942934025).

Almost surely, 2^6476446745 is an apocalyptic number.

It is an amenable number.

6476446745 is a deficient number, since it is larger than the sum of its proper divisors (1295289355).

6476446745 is a wasteful number, since it uses less digits than its factorization.

6476446745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295289354.

The product of its digits is 13547520, while the sum is 53.

The square root of 6476446745 is about 80476.3738310816. The cubic root of 6476446745 is about 1863.9986761620.

Subtracting from 6476446745 its reverse (5476446746), we obtain a palindrome (999999999).

The spelling of 6476446745 in words is "six billion, four hundred seventy-six million, four hundred forty-six thousand, seven hundred forty-five".