1711447649 has 2 divisors, whose sum is σ = 1711447650. Its totient is φ = 1711447648.

The previous prime is 1711447643. The next prime is 1711447657. The reversal of 1711447649 is 9467441171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337218624 + 374229025 = 36568^2 + 19345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1711447649 - 2⁸ = 1711447393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1711447643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855723824 + 855723825.

It is an arithmetic number, because the mean of its divisors is an integer number (855723825).

Almost surely, 2^1711447649 is an apocalyptic number.

It is an amenable number.

1711447649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711447649 is an equidigital number, since it uses as much as digits as its factorization.

1711447649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 1711447649 is about 41369.6464693621. The cubic root of 1711447649 is about 1196.1561376841.

The spelling of 1711447649 in words is "one billion, seven hundred eleven million, four hundred forty-seven thousand, six hundred forty-nine".