1244430359 has 2 divisors, whose sum is σ = 1244430360. Its totient is φ = 1244430358.

The previous prime is 1244430337. The next prime is 1244430389. The reversal of 1244430359 is 9530344421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244430359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244430389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622215179 + 622215180.

It is an arithmetic number, because the mean of its divisors is an integer number (622215180).

Almost surely, 2^1244430359 is an apocalyptic number.

1244430359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244430359 is an equidigital number, since it uses as much as digits as its factorization.

1244430359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1244430359 is about 35276.4845045535. The cubic root of 1244430359 is about 1075.6150391452.

The spelling of 1244430359 in words is "one billion, two hundred forty-four million, four hundred thirty thousand, three hundred fifty-nine".