6480045667 has 4 divisors (see below), whose sum is σ = 6494225656. Its totient is φ = 6465865680.

The previous prime is 6480045647. The next prime is 6480045673. The reversal of 6480045667 is 7665400846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7665400846 = 2 ⋅3832700423.

It is a cyclic number.

It is not a de Polignac number, because 6480045667 - 2¹⁵ = 6480012899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6480045647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7089309 + ... + 7090222.

It is an arithmetic number, because the mean of its divisors is an integer number (1623556414).

Almost surely, 2^6480045667 is an apocalyptic number.

6480045667 is a deficient number, since it is larger than the sum of its proper divisors (14179989).

6480045667 is a wasteful number, since it uses less digits than its factorization.

6480045667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14179988.

The product of its (nonzero) digits is 967680, while the sum is 46.

The square root of 6480045667 is about 80498.7308409269. The cubic root of 6480045667 is about 1864.3438831295.

The spelling of 6480045667 in words is "six billion, four hundred eighty million, forty-five thousand, six hundred sixty-seven".