1447312043543 has 2 divisors, whose sum is σ = 1447312043544. Its totient is φ = 1447312043542.

The previous prime is 1447312043519. The next prime is 1447312043579. The reversal of 1447312043543 is 3453402137441.

It is a weak prime.

It is an emirp because it is prime and its reverse (3453402137441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1447312043543 - 2¹⁴ = 1447312027159 is a prime.

It is a super-2 number, since 2×1447312043543² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1447312043543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1447312043143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723656021771 + 723656021772.

It is an arithmetic number, because the mean of its divisors is an integer number (723656021772).

Almost surely, 2^{1447312043543} is an apocalyptic number.

1447312043543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447312043543 is an equidigital number, since it uses as much as digits as its factorization.

1447312043543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 1447312043543 in words is "one trillion, four hundred forty-seven billion, three hundred twelve million, forty-three thousand, five hundred forty-three".