1442341249 has 2 divisors, whose sum is σ = 1442341250. Its totient is φ = 1442341248.

The previous prime is 1442341223. The next prime is 1442341291. The reversal of 1442341249 is 9421432441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1309354225 + 132987024 = 36185^2 + 11532^2 .

It is an emirp because it is prime and its reverse (9421432441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442341249 - 2¹⁵ = 1442308481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442341349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721170624 + 721170625.

It is an arithmetic number, because the mean of its divisors is an integer number (721170625).

Almost surely, 2^1442341249 is an apocalyptic number.

It is an amenable number.

1442341249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442341249 is an equidigital number, since it uses as much as digits as its factorization.

1442341249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 1442341249 is about 37978.1680574511. The cubic root of 1442341249 is about 1129.8549031856.

The spelling of 1442341249 in words is "one billion, four hundred forty-two million, three hundred forty-one thousand, two hundred forty-nine".