1442433771019 has 2 divisors, whose sum is σ = 1442433771020. Its totient is φ = 1442433771018.

The previous prime is 1442433770993. The next prime is 1442433771067. The reversal of 1442433771019 is 9101773342441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442433771019 is a prime.

It is a super-2 number, since 2×1442433771019² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442433771019.

It is not a weakly prime, because it can be changed into another prime (1442433771089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721216885509 + 721216885510.

It is an arithmetic number, because the mean of its divisors is an integer number (721216885510).

Almost surely, 2^{1442433771019} is an apocalyptic number.

1442433771019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442433771019 is an equidigital number, since it uses as much as digits as its factorization.

1442433771019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 1442433771019 in words is "one trillion, four hundred forty-two billion, four hundred thirty-three million, seven hundred seventy-one thousand, nineteen".