1774245049 has 2 divisors, whose sum is σ = 1774245050. Its totient is φ = 1774245048.

The previous prime is 1774244999. The next prime is 1774245073. The reversal of 1774245049 is 9405424771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017610000 + 756635049 = 31900^2 + 27507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1774245049 - 2¹¹ = 1774243001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1774244996 and 1774245014.

It is not a weakly prime, because it can be changed into another prime (1774245089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887122524 + 887122525.

It is an arithmetic number, because the mean of its divisors is an integer number (887122525).

Almost surely, 2^1774245049 is an apocalyptic number.

It is an amenable number.

1774245049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1774245049 is an equidigital number, since it uses as much as digits as its factorization.

1774245049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 1774245049 is about 42121.7882929963. The cubic root of 1774245049 is about 1210.6107721757.

The spelling of 1774245049 in words is "one billion, seven hundred seventy-four million, two hundred forty-five thousand, forty-nine".