5441403421 has 2 divisors, whose sum is σ = 5441403422. Its totient is φ = 5441403420.

The previous prime is 5441403419. The next prime is 5441403439. The reversal of 5441403421 is 1243041445.

5441403421 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 can be written as a sum of positive squares in only one way, i.e., 4034028196 + 1407375225 = 63514^2 + 37515^2 .

It is a cyclic number.

It is not a de Polignac number, because 5441403421 - 2¹ = 5441403419 is a prime.

Together with 5441403419, 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 5441403421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5441403491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720701710 + 2720701711.

It is an arithmetic number, because the mean of its divisors is an integer number (2720701711).

Almost surely, 2^5441403421 is an apocalyptic number.

It is an amenable number.

5441403421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5441403421 is an equidigital number, since it uses as much as digits as its factorization.

5441403421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 5441403421 is about 73765.8689435704. The cubic root of 5441403421 is about 1758.8830961313.

Adding to 5441403421 its reverse (1243041445), we get a palindrome (6684444866).

The spelling of 5441403421 in words is "five billion, four hundred forty-one million, four hundred three thousand, four hundred twenty-one".