6480982133771 has 4 divisors (see below), whose sum is σ = 6862216376952. Its totient is φ = 6099747890592.

The previous prime is 6480982133761. The next prime is 6480982133779. The reversal of 6480982133771 is 1773312890846.

It is a happy number.

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 6480982133771 - 2¹⁰ = 6480982132747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6480982133771.

It is not an unprimeable number, because it can be changed into a prime (6480982133779) 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, 190617121565 + ... + 190617121598.

It is an arithmetic number, because the mean of its divisors is an integer number (1715554094238).

Almost surely, 2^{6480982133771} is an apocalyptic number.

6480982133771 is a deficient number, since it is larger than the sum of its proper divisors (381234243181).

6480982133771 is a wasteful number, since it uses less digits than its factorization.

6480982133771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381234243180.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 6480982133771 in words is "six trillion, four hundred eighty billion, nine hundred eighty-two million, one hundred thirty-three thousand, seven hundred seventy-one".