1044142049 has 2 divisors, whose sum is σ = 1044142050. Its totient is φ = 1044142048.

The previous prime is 1044142027. The next prime is 1044142067. The reversal of 1044142049 is 9402414401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1025280400 + 18861649 = 32020^2 + 4343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044142049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044142079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522071024 + 522071025.

It is an arithmetic number, because the mean of its divisors is an integer number (522071025).

Almost surely, 2^1044142049 is an apocalyptic number.

It is an amenable number.

1044142049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044142049 is an equidigital number, since it uses as much as digits as its factorization.

1044142049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1044142049 is about 32313.1869211318. The cubic root of 1044142049 is about 1014.5026720660.

The spelling of 1044142049 in words is "one billion, forty-four million, one hundred forty-two thousand, forty-nine".