6540445113343 has 16 divisors (see below), whose sum is σ = 6843844846080. Its totient is φ = 6238636389216.

The previous prime is 6540445113331. The next prime is 6540445113359. The reversal of 6540445113343 is 3433115440456.

It is a cyclic number.

It is not a de Polignac number, because 6540445113343 - 2²⁵ = 6540411558911 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 6540445113343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540445110343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62073421 + ... + 62178697.

It is an arithmetic number, because the mean of its divisors is an integer number (427740302880).

Almost surely, 2^{6540445113343} is an apocalyptic number.

6540445113343 is a deficient number, since it is larger than the sum of its proper divisors (303399732737).

6540445113343 is a wasteful number, since it uses less digits than its factorization.

6540445113343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112806.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 6540445113343 in words is "six trillion, five hundred forty billion, four hundred forty-five million, one hundred thirteen thousand, three hundred forty-three".