5449923191 has 2 divisors, whose sum is σ = 5449923192. Its totient is φ = 5449923190.

The previous prime is 5449923173. The next prime is 5449923229. The reversal of 5449923191 is 1913299445.

5449923191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5449923191 - 2¹⁴ = 5449906807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5449923131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2724961595 + 2724961596.

It is an arithmetic number, because the mean of its divisors is an integer number (2724961596).

Almost surely, 2^5449923191 is an apocalyptic number.

5449923191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5449923191 is an equidigital number, since it uses as much as digits as its factorization.

5449923191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 5449923191 is about 73823.5950831440. The cubic root of 5449923191 is about 1759.8005962751.

The spelling of 5449923191 in words is "five billion, four hundred forty-nine million, nine hundred twenty-three thousand, one hundred ninety-one".