13797044549543 has 2 divisors, whose sum is σ = 13797044549544. Its totient is φ = 13797044549542.

The previous prime is 13797044549437. The next prime is 13797044549621. The reversal of 13797044549543 is 34594544079731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13797044549543 - 2³² = 13792749582247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13797044549543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13797044549843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898522274771 + 6898522274772.

It is an arithmetic number, because the mean of its divisors is an integer number (6898522274772).

Almost surely, 2^{13797044549543} is an apocalyptic number.

13797044549543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13797044549543 is an equidigital number, since it uses as much as digits as its factorization.

13797044549543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 228614400, while the sum is 65.

The spelling of 13797044549543 in words is "thirteen trillion, seven hundred ninety-seven billion, forty-four million, five hundred forty-nine thousand, five hundred forty-three".