1442031979 has 2 divisors, whose sum is σ = 1442031980. Its totient is φ = 1442031978.

The previous prime is 1442031971. The next prime is 1442032027. The reversal of 1442031979 is 9791302441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442031979 - 2³ = 1442031971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442031971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721015989 + 721015990.

It is an arithmetic number, because the mean of its divisors is an integer number (721015990).

Almost surely, 2^1442031979 is an apocalyptic number.

1442031979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442031979 is an equidigital number, since it uses as much as digits as its factorization.

1442031979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1442031979 is about 37974.0961577758. The cubic root of 1442031979 is about 1129.7741420841.

The spelling of 1442031979 in words is "one billion, four hundred forty-two million, thirty-one thousand, nine hundred seventy-nine".