1047844349 has 2 divisors, whose sum is σ = 1047844350. Its totient is φ = 1047844348.

The previous prime is 1047844309. The next prime is 1047844381. The reversal of 1047844349 is 9434487401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 852348025 + 195496324 = 29195^2 + 13982^2 .

It is an emirp because it is prime and its reverse (9434487401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047844349 - 2²⁴ = 1031067133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047844309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523922174 + 523922175.

It is an arithmetic number, because the mean of its divisors is an integer number (523922175).

Almost surely, 2^1047844349 is an apocalyptic number.

It is an amenable number.

1047844349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047844349 is an equidigital number, since it uses as much as digits as its factorization.

1047844349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 1047844349 is about 32370.4239854840. The cubic root of 1047844349 is about 1015.7003260505.

The spelling of 1047844349 in words is "one billion, forty-seven million, eight hundred forty-four thousand, three hundred forty-nine".