5448632844581 has 2 divisors, whose sum is σ = 5448632844582. Its totient is φ = 5448632844580.

The previous prime is 5448632844569. The next prime is 5448632844601. The reversal of 5448632844581 is 1854482368445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3513637780900 + 1934995063681 = 1874470^2 + 1391041^2 .

It is a cyclic number.

It is not a de Polignac number, because 5448632844581 - 2¹⁰ = 5448632843557 is a prime.

It is a super-2 number, since 2×5448632844581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5448632844541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2724316422290 + 2724316422291.

It is an arithmetic number, because the mean of its divisors is an integer number (2724316422291).

Almost surely, 2^{5448632844581} is an apocalyptic number.

It is an amenable number.

5448632844581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5448632844581 is an equidigital number, since it uses as much as digits as its factorization.

5448632844581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117964800, while the sum is 62.

The spelling of 5448632844581 in words is "five trillion, four hundred forty-eight billion, six hundred thirty-two million, eight hundred forty-four thousand, five hundred eighty-one".