6244884409 has 2 divisors, whose sum is σ = 6244884410. Its totient is φ = 6244884408.

The previous prime is 6244884379. The next prime is 6244884427. The reversal of 6244884409 is 9044884426.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4459568400 + 1785316009 = 66780^2 + 42253^2 .

It is a cyclic number.

It is not a de Polignac number, because 6244884409 - 2¹⁹ = 6244360121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6244884469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122442204 + 3122442205.

It is an arithmetic number, because the mean of its divisors is an integer number (3122442205).

Almost surely, 2^6244884409 is an apocalyptic number.

It is an amenable number.

6244884409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6244884409 is an equidigital number, since it uses as much as digits as its factorization.

6244884409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1769472, while the sum is 49.

The square root of 6244884409 is about 79024.5810428629. The cubic root of 6244884409 is about 1841.5130521869.

The spelling of 6244884409 in words is "six billion, two hundred forty-four million, eight hundred eighty-four thousand, four hundred nine".