5400443404441 has 2 divisors, whose sum is σ = 5400443404442. Its totient is φ = 5400443404440.

The previous prime is 5400443404439. The next prime is 5400443404453. The reversal of 5400443404441 is 1444043440045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242776194441 + 2157667210000 = 1800771^2 + 1468900^2 .

It is a cyclic number.

It is not a de Polignac number, because 5400443404441 - 2¹ = 5400443404439 is a prime.

Together with 5400443404439, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5400443404441.

It is not a weakly prime, because it can be changed into another prime (5400443404471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700221702220 + 2700221702221.

It is an arithmetic number, because the mean of its divisors is an integer number (2700221702221).

Almost surely, 2^{5400443404441} is an apocalyptic number.

It is an amenable number.

5400443404441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5400443404441 is an equidigital number, since it uses as much as digits as its factorization.

5400443404441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 5400443404441 its reverse (1444043440045), we get a palindrome (6844486844486).

The spelling of 5400443404441 in words is "five trillion, four hundred billion, four hundred forty-three million, four hundred four thousand, four hundred forty-one".