1448590769 has 2 divisors, whose sum is σ = 1448590770. Its totient is φ = 1448590768.

The previous prime is 1448590733. The next prime is 1448590813. The reversal of 1448590769 is 9670958441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1175118400 + 273472369 = 34280^2 + 16537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448590769 - 2¹² = 1448586673 is a prime.

It is a super-2 number, since 2×1448590769² = 4196830432064022722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1448590769.

It is not a weakly prime, because it can be changed into another prime (1448590709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724295384 + 724295385.

It is an arithmetic number, because the mean of its divisors is an integer number (724295385).

Almost surely, 2^1448590769 is an apocalyptic number.

It is an amenable number.

1448590769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448590769 is an equidigital number, since it uses as much as digits as its factorization.

1448590769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 1448590769 is about 38060.3569216055. The cubic root of 1448590769 is about 1131.4844012956.

The spelling of 1448590769 in words is "one billion, four hundred forty-eight million, five hundred ninety thousand, seven hundred sixty-nine".