1044421739 has 2 divisors, whose sum is σ = 1044421740. Its totient is φ = 1044421738.

The previous prime is 1044421723. The next prime is 1044421753. The reversal of 1044421739 is 9371244401.

It is a happy number.

1044421739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1044421739 - 2⁴ = 1044421723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044421699 and 1044421708.

It is not a weakly prime, because it can be changed into another prime (1044421769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522210869 + 522210870.

It is an arithmetic number, because the mean of its divisors is an integer number (522210870).

Almost surely, 2^1044421739 is an apocalyptic number.

1044421739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044421739 is an equidigital number, since it uses as much as digits as its factorization.

1044421739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1044421739 is about 32317.5144310326. The cubic root of 1044421739 is about 1014.5932475202.

The spelling of 1044421739 in words is "one billion, forty-four million, four hundred twenty-one thousand, seven hundred thirty-nine".