5445043193 has 2 divisors, whose sum is σ = 5445043194. Its totient is φ = 5445043192.

The previous prime is 5445043189. The next prime is 5445043213. The reversal of 5445043193 is 3913405445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5324329024 + 120714169 = 72968^2 + 10987^2 .

It is a cyclic number.

It is not a de Polignac number, because 5445043193 - 2² = 5445043189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5445043133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722521596 + 2722521597.

It is an arithmetic number, because the mean of its divisors is an integer number (2722521597).

Almost surely, 2^5445043193 is an apocalyptic number.

It is an amenable number.

5445043193 is a deficient number, since it is larger than the sum of its proper divisors (1).

5445043193 is an equidigital number, since it uses as much as digits as its factorization.

5445043193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 5445043193 is about 73790.5359311070. The cubic root of 5445043193 is about 1759.2751828815.

The spelling of 5445043193 in words is "five billion, four hundred forty-five million, forty-three thousand, one hundred ninety-three".