549011441459519 has 16 divisors (see below), whose sum is σ = 573276265648128. Its totient is φ = 524779548239232.

The previous prime is 549011441459497. The next prime is 549011441459543. The reversal of 549011441459519 is 915954144110945.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 549011441459519 - 2²⁸ = 549011173024063 is a prime.

It is a super-2 number, since 2×549011441459519² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549011441459419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726821774 + ... + 727576740.

It is an arithmetic number, because the mean of its divisors is an integer number (35829766603008).

Almost surely, 2^{549011441459519} is an apocalyptic number.

549011441459519 is a deficient number, since it is larger than the sum of its proper divisors (24264824188609).

549011441459519 is a wasteful number, since it uses less digits than its factorization.

549011441459519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776734.

The product of its (nonzero) digits is 23328000, while the sum is 62.

The spelling of 549011441459519 in words is "five hundred forty-nine trillion, eleven billion, four hundred forty-one million, four hundred fifty-nine thousand, five hundred nineteen".