1048345009 has 2 divisors, whose sum is σ = 1048345010. Its totient is φ = 1048345008.

The previous prime is 1048344971. The next prime is 1048345063. The reversal of 1048345009 is 9005438401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789778609 + 258566400 = 28103^2 + 16080^2 .

It is an emirp because it is prime and its reverse (9005438401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1048345009 - 2¹⁵ = 1048312241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1048345079) 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, 524172504 + 524172505.

It is an arithmetic number, because the mean of its divisors is an integer number (524172505).

Almost surely, 2^1048345009 is an apocalyptic number.

It is an amenable number.

1048345009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048345009 is an equidigital number, since it uses as much as digits as its factorization.

1048345009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1048345009 is about 32378.1563557902. The cubic root of 1048345009 is about 1015.8620674888.

The spelling of 1048345009 in words is "one billion, forty-eight million, three hundred forty-five thousand, nine".