5444272391 has 2 divisors, whose sum is σ = 5444272392. Its totient is φ = 5444272390.

The previous prime is 5444272349. The next prime is 5444272397. The reversal of 5444272391 is 1932724445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5444272391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5444272397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722136195 + 2722136196.

It is an arithmetic number, because the mean of its divisors is an integer number (2722136196).

Almost surely, 2^5444272391 is an apocalyptic number.

5444272391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5444272391 is an equidigital number, since it uses as much as digits as its factorization.

5444272391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 5444272391 is about 73785.3128407002. The cubic root of 5444272391 is about 1759.1921644508.

The spelling of 5444272391 in words is "five billion, four hundred forty-four million, two hundred seventy-two thousand, three hundred ninety-one".