5439480556721 has 16 divisors (see below), whose sum is σ = 5910257441088. Its totient is φ = 4985897433600.

The previous prime is 5439480556709. The next prime is 5439480556729. The reversal of 5439480556721 is 1276550849345.

It is a cyclic number.

It is not a de Polignac number, because 5439480556721 - 2¹⁴ = 5439480540337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5439480556729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6435755 + ... + 7231728.

It is an arithmetic number, because the mean of its divisors is an integer number (369391090068).

It is a 1-persistent number, because it is pandigital, but 2⋅5439480556721 = 10878961113442 is not.

Almost surely, 2^{5439480556721} is an apocalyptic number.

It is an amenable number.

5439480556721 is a deficient number, since it is larger than the sum of its proper divisors (470776884367).

5439480556721 is a wasteful number, since it uses less digits than its factorization.

5439480556721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668112.

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 5439480556721 in words is "five trillion, four hundred thirty-nine billion, four hundred eighty million, five hundred fifty-six thousand, seven hundred twenty-one".