5446847881 has 2 divisors, whose sum is σ = 5446847882. Its totient is φ = 5446847880.

The previous prime is 5446847849. The next prime is 5446847893. The reversal of 5446847881 is 1887486445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3350673225 + 2096174656 = 57885^2 + 45784^2 .

It is a cyclic number.

It is not a de Polignac number, because 5446847881 - 2⁵ = 5446847849 is a prime.

It is a super-2 number, since 2×5446847881² = 59336303677508380322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5446847381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2723423940 + 2723423941.

It is an arithmetic number, because the mean of its divisors is an integer number (2723423941).

Almost surely, 2^5446847881 is an apocalyptic number.

It is an amenable number.

5446847881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5446847881 is an equidigital number, since it uses as much as digits as its factorization.

5446847881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6881280, while the sum is 55.

The square root of 5446847881 is about 73802.7633696734. The cubic root of 5446847881 is about 1759.4695242912.

The spelling of 5446847881 in words is "five billion, four hundred forty-six million, eight hundred forty-seven thousand, eight hundred eighty-one".