2543014343443 has 24 divisors (see below), whose sum is σ = 2962036350000. Its totient is φ = 2176901895168.

The previous prime is 2543014343423. The next prime is 2543014343449. The reversal of 2543014343443 is 3443434103452.

2543014343443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2543014343443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543014343396 and 2543014343405.

It is not an unprimeable number, because it can be changed into a prime (2543014343449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138733503 + ... + 138751831.

It is an arithmetic number, because the mean of its divisors is an integer number (123418181250).

Almost surely, 2^{2543014343443} is an apocalyptic number.

2543014343443 is a deficient number, since it is larger than the sum of its proper divisors (419022006557).

2543014343443 is a wasteful number, since it uses less digits than its factorization.

2543014343443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21859 (or 21852 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 2543014343443 its reverse (3443434103452), we get a palindrome (5986448446895).

The spelling of 2543014343443 in words is "two trillion, five hundred forty-three billion, fourteen million, three hundred forty-three thousand, four hundred forty-three".