1442068549 has 2 divisors, whose sum is σ = 1442068550. Its totient is φ = 1442068548.

The previous prime is 1442068541. The next prime is 1442068577. The reversal of 1442068549 is 9458602441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033301025 + 408767524 = 32145^2 + 20218^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442068549 - 2³ = 1442068541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442068541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721034274 + 721034275.

It is an arithmetic number, because the mean of its divisors is an integer number (721034275).

Almost surely, 2^1442068549 is an apocalyptic number.

It is an amenable number.

1442068549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442068549 is an equidigital number, since it uses as much as digits as its factorization.

1442068549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1442068549 is about 37974.5776671710. The cubic root of 1442068549 is about 1129.7836923788.

The spelling of 1442068549 in words is "one billion, four hundred forty-two million, sixty-eight thousand, five hundred forty-nine".