1444042099 has 4 divisors (see below), whose sum is σ = 1479262680. Its totient is φ = 1408821520.

The previous prime is 1444042043. The next prime is 1444042121. The reversal of 1444042099 is 9902404441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444042099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444042499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17610229 + ... + 17610310.

It is an arithmetic number, because the mean of its divisors is an integer number (369815670).

Almost surely, 2^1444042099 is an apocalyptic number.

1444042099 is a deficient number, since it is larger than the sum of its proper divisors (35220581).

1444042099 is an equidigital number, since it uses as much as digits as its factorization.

1444042099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220580.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1444042099 is about 38000.5539301732. The cubic root of 1444042099 is about 1130.2988477856.

The spelling of 1444042099 in words is "one billion, four hundred forty-four million, forty-two thousand, ninety-nine".