5144334421 has 2 divisors, whose sum is σ = 5144334422. Its totient is φ = 5144334420.

The previous prime is 5144334413. The next prime is 5144334427. The reversal of 5144334421 is 1244334415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2705456196 + 2438878225 = 52014^2 + 49385^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144334421 - 2³ = 5144334413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5144334427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572167210 + 2572167211.

It is an arithmetic number, because the mean of its divisors is an integer number (2572167211).

Almost surely, 2^5144334421 is an apocalyptic number.

It is an amenable number.

5144334421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144334421 is an equidigital number, since it uses as much as digits as its factorization.

5144334421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 31.

The square root of 5144334421 is about 71724.0156502688. The cubic root of 5144334421 is about 1726.2740062375.

Adding to 5144334421 its reverse (1244334415), we get a palindrome (6388668836).

The spelling of 5144334421 in words is "five billion, one hundred forty-four million, three hundred thirty-four thousand, four hundred twenty-one".