5443247779 has 2 divisors, whose sum is σ = 5443247780. Its totient is φ = 5443247778.

The previous prime is 5443247773. The next prime is 5443247791. The reversal of 5443247779 is 9777423445.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5443247779 is a prime.

It is not a weakly prime, because it can be changed into another prime (5443247773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721623889 + 2721623890.

It is an arithmetic number, because the mean of its divisors is an integer number (2721623890).

Almost surely, 2^5443247779 is an apocalyptic number.

5443247779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443247779 is an equidigital number, since it uses as much as digits as its factorization.

5443247779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 52.

The square root of 5443247779 is about 73778.3693164873. The cubic root of 5443247779 is about 1759.0817975453.

The spelling of 5443247779 in words is "five billion, four hundred forty-three million, two hundred forty-seven thousand, seven hundred seventy-nine".