5440111393 has 2 divisors, whose sum is σ = 5440111394. Its totient is φ = 5440111392.

The previous prime is 5440111349. The next prime is 5440111399. The reversal of 5440111393 is 3931110445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5373329809 + 66781584 = 73303^2 + 8172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5440111393 is a prime.

It is not a weakly prime, because it can be changed into another prime (5440111399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720055696 + 2720055697.

It is an arithmetic number, because the mean of its divisors is an integer number (2720055697).

Almost surely, 2^5440111393 is an apocalyptic number.

It is an amenable number.

5440111393 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440111393 is an equidigital number, since it uses as much as digits as its factorization.

5440111393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5440111393 is about 73757.1107961802. The cubic root of 5440111393 is about 1758.7438730962.

The spelling of 5440111393 in words is "five billion, four hundred forty million, one hundred eleven thousand, three hundred ninety-three".