1047563009 has 2 divisors, whose sum is σ = 1047563010. Its totient is φ = 1047563008.

The previous prime is 1047562979. The next prime is 1047563057. The reversal of 1047563009 is 9003657401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046716609 + 846400 = 32353^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047563009 - 2²⁴ = 1030785793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047563009.

It is not a weakly prime, because it can be changed into another prime (1047563059) 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, 523781504 + 523781505.

It is an arithmetic number, because the mean of its divisors is an integer number (523781505).

Almost surely, 2^1047563009 is an apocalyptic number.

It is an amenable number.

1047563009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047563009 is an equidigital number, since it uses as much as digits as its factorization.

1047563009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1047563009 is about 32366.0780602161. The cubic root of 1047563009 is about 1015.6094147402.

The spelling of 1047563009 in words is "one billion, forty-seven million, five hundred sixty-three thousand, nine".