549011441459543 has 2 divisors, whose sum is σ = 549011441459544. Its totient is φ = 549011441459542.

The previous prime is 549011441459497. The next prime is 549011441459567. The reversal of 549011441459543 is 345954144110945.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549011441459543 - 2³² = 549007146492247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549011440459543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274505720729771 + 274505720729772.

It is an arithmetic number, because the mean of its divisors is an integer number (274505720729772).

Almost surely, 2^{549011441459543} is an apocalyptic number.

549011441459543 is a deficient number, since it is larger than the sum of its proper divisors (1).

549011441459543 is an equidigital number, since it uses as much as digits as its factorization.

549011441459543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104000, while the sum is 59.

The spelling of 549011441459543 in words is "five hundred forty-nine trillion, eleven billion, four hundred forty-one million, four hundred fifty-nine thousand, five hundred forty-three".