1444753799 has 2 divisors, whose sum is σ = 1444753800. Its totient is φ = 1444753798.

The previous prime is 1444753781. The next prime is 1444753801. The reversal of 1444753799 is 9973574441.

It is a strong prime.

It is an emirp because it is prime and its reverse (9973574441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444753799 is a prime.

Together with 1444753801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1444753799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444753099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722376899 + 722376900.

It is an arithmetic number, because the mean of its divisors is an integer number (722376900).

Almost surely, 2^1444753799 is an apocalyptic number.

1444753799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444753799 is an equidigital number, since it uses as much as digits as its factorization.

1444753799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 53.

The square root of 1444753799 is about 38009.9171138270. The cubic root of 1444753799 is about 1130.4845075553.

The spelling of 1444753799 in words is "one billion, four hundred forty-four million, seven hundred fifty-three thousand, seven hundred ninety-nine".