2643113487728 has 80 divisors (see below), whose sum is σ = 6271541095680. Its totient is φ = 1053284809728.

The previous prime is 2643113487671. The next prime is 2643113487733. The reversal of 2643113487728 is 8277843113462.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8204558 + ... + 8520621.

It is an arithmetic number, because the mean of its divisors is an integer number (78394263696).

Almost surely, 2^{2643113487728} is an apocalyptic number.

2643113487728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2643113487728 is an abundant number, since it is smaller than the sum of its proper divisors (3628427607952).

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

2643113487728 is a wasteful number, since it uses less digits than its factorization.

2643113487728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725294 (or 16725288 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 56.

The spelling of 2643113487728 in words is "two trillion, six hundred forty-three billion, one hundred thirteen million, four hundred eighty-seven thousand, seven hundred twenty-eight".