1442232191369 has 2 divisors, whose sum is σ = 1442232191370. Its totient is φ = 1442232191368.

The previous prime is 1442232191357. The next prime is 1442232191459. The reversal of 1442232191369 is 9631912322441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1431325104400 + 10907086969 = 1196380^2 + 104437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442232191369 - 2²⁸ = 1441963755913 is a prime.

It is a super-2 number, since 2×1442232191369² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1442232191969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721116095684 + 721116095685.

It is an arithmetic number, because the mean of its divisors is an integer number (721116095685).

Almost surely, 2^{1442232191369} is an apocalyptic number.

It is an amenable number.

1442232191369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442232191369 is an equidigital number, since it uses as much as digits as its factorization.

1442232191369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The spelling of 1442232191369 in words is "one trillion, four hundred forty-two billion, two hundred thirty-two million, one hundred ninety-one thousand, three hundred sixty-nine".