1444254389 has 2 divisors, whose sum is σ = 1444254390. Its totient is φ = 1444254388.

The previous prime is 1444254377. The next prime is 1444254401. The reversal of 1444254389 is 9834524441.

It is a balanced prime because it is at equal distance from previous prime (1444254377) and next prime (1444254401).

It can be written as a sum of positive squares in only one way, i.e., 1400031889 + 44222500 = 37417^2 + 6650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444254389 - 2²⁴ = 1427477173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444250389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722127194 + 722127195.

It is an arithmetic number, because the mean of its divisors is an integer number (722127195).

Almost surely, 2^1444254389 is an apocalyptic number.

It is an amenable number.

1444254389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444254389 is an equidigital number, since it uses as much as digits as its factorization.

1444254389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 44.

The square root of 1444254389 is about 38003.3470762774. The cubic root of 1444254389 is about 1130.3542338405.

The spelling of 1444254389 in words is "one billion, four hundred forty-four million, two hundred fifty-four thousand, three hundred eighty-nine".