5443281461 has 2 divisors, whose sum is σ = 5443281462. Its totient is φ = 5443281460.

The previous prime is 5443281449. The next prime is 5443281497. The reversal of 5443281461 is 1641823445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5441865361 + 1416100 = 73769^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 5443281461 - 2¹⁸ = 5443019317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5443281061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721640730 + 2721640731.

It is an arithmetic number, because the mean of its divisors is an integer number (2721640731).

Almost surely, 2^5443281461 is an apocalyptic number.

It is an amenable number.

5443281461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5443281461 is an equidigital number, since it uses as much as digits as its factorization.

5443281461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 38.

The square root of 5443281461 is about 73778.5975808703. The cubic root of 5443281461 is about 1759.0854258491.

The spelling of 5443281461 in words is "five billion, four hundred forty-three million, two hundred eighty-one thousand, four hundred sixty-one".