6480093977964 has 36 divisors (see below), whose sum is σ = 16505277548760. Its totient is φ = 2143542535680.

The previous prime is 6480093977873. The next prime is 6480093977999. The reversal of 6480093977964 is 4697793900846.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 6480093977892 and 6480093977901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687028149 + ... + 687037580.

It is an arithmetic number, because the mean of its divisors is an integer number (458479931910).

Almost surely, 2^{6480093977964} is an apocalyptic number.

It is an amenable number.

6480093977964 is an abundant number, since it is smaller than the sum of its proper divisors (10025183570796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6480093977964 is a wasteful number, since it uses less digits than its factorization.

6480093977964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374065870 (or 1374065865 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 6480093977964 in words is "six trillion, four hundred eighty billion, ninety-three million, nine hundred seventy-seven thousand, nine hundred sixty-four".