1444941089 has 4 divisors (see below), whose sum is σ = 1520990640. Its totient is φ = 1368891540.

The previous prime is 1444941053. The next prime is 1444941101. The reversal of 1444941089 is 9801494441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1444941089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444941019) 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, 38024747 + ... + 38024784.

It is an arithmetic number, because the mean of its divisors is an integer number (380247660).

Almost surely, 2^1444941089 is an apocalyptic number.

1444941089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1444941089 is a deficient number, since it is larger than the sum of its proper divisors (76049551).

1444941089 is an equidigital number, since it uses as much as digits as its factorization.

1444941089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76049550.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1444941089 is about 38012.3807331243. The cubic root of 1444941089 is about 1130.5333553924.

The spelling of 1444941089 in words is "one billion, four hundred forty-four million, nine hundred forty-one thousand, eighty-nine".