5443455491 has 2 divisors, whose sum is σ = 5443455492. Its totient is φ = 5443455490.

The previous prime is 5443455473. The next prime is 5443455529. The reversal of 5443455491 is 1945543445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5443455491 is a prime.

It is not a weakly prime, because it can be changed into another prime (5443455431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721727745 + 2721727746.

It is an arithmetic number, because the mean of its divisors is an integer number (2721727746).

Almost surely, 2^5443455491 is an apocalyptic number.

5443455491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443455491 is an equidigital number, since it uses as much as digits as its factorization.

5443455491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 44.

The square root of 5443455491 is about 73779.7769785190. The cubic root of 5443455491 is about 1759.1041725296.

The spelling of 5443455491 in words is "five billion, four hundred forty-three million, four hundred fifty-five thousand, four hundred ninety-one".