6480982133778 has 8 divisors (see below), whose sum is σ = 12961964267568. Its totient is φ = 2160327377924.

The previous prime is 6480982133761. The next prime is 6480982133779. The reversal of 6480982133778 is 8773312890846.

It is a happy number.

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

6480982133778 is an admirable number.

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, 540081844476 + ... + 540081844487.

It is an arithmetic number, because the mean of its divisors is an integer number (1620245533446).

Almost surely, 2^{6480982133778} is an apocalyptic number.

6480982133778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6480982133778 is a wasteful number, since it uses less digits than its factorization.

6480982133778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080163688968.

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 6480982133778 in words is "six trillion, four hundred eighty billion, nine hundred eighty-two million, one hundred thirty-three thousand, seven hundred seventy-eight".