1444442837 has 2 divisors, whose sum is σ = 1444442838. Its totient is φ = 1444442836.

The previous prime is 1444442801. The next prime is 1444442891. The reversal of 1444442837 is 7382444441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964350916 + 480091921 = 31054^2 + 21911^2 .

It is an emirp because it is prime and its reverse (7382444441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1444442837 - 2⁸ = 1444442581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444442794 and 1444442803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444442437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722221418 + 722221419.

It is an arithmetic number, because the mean of its divisors is an integer number (722221419).

Almost surely, 2^1444442837 is an apocalyptic number.

It is an amenable number.

1444442837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444442837 is an equidigital number, since it uses as much as digits as its factorization.

1444442837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 41.

The square root of 1444442837 is about 38005.8263559681. The cubic root of 1444442837 is about 1130.4033950161.

The spelling of 1444442837 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, eight hundred thirty-seven".