5443889279 has 2 divisors, whose sum is σ = 5443889280. Its totient is φ = 5443889278.

The previous prime is 5443889221. The next prime is 5443889303. The reversal of 5443889279 is 9729883445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5443889279 - 2²⁰ = 5442840703 is a prime.

It is a super-2 number, since 2×5443889279² = 59271860964022279682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5443889879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721944639 + 2721944640.

It is an arithmetic number, because the mean of its divisors is an integer number (2721944640).

Almost surely, 2^5443889279 is an apocalyptic number.

5443889279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443889279 is an equidigital number, since it uses as much as digits as its factorization.

5443889279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 59.

The square root of 5443889279 is about 73782.7166686074. The cubic root of 5443889279 is about 1759.1508988546.

The spelling of 5443889279 in words is "five billion, four hundred forty-three million, eight hundred eighty-nine thousand, two hundred seventy-nine".