1046805709 has 2 divisors, whose sum is σ = 1046805710. Its totient is φ = 1046805708.

The previous prime is 1046805707. The next prime is 1046805731. The reversal of 1046805709 is 9075086401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 926289225 + 120516484 = 30435^2 + 10978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046805709 - 2¹ = 1046805707 is a prime.

Together with 1046805707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046805701) 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, 523402854 + 523402855.

It is an arithmetic number, because the mean of its divisors is an integer number (523402855).

Almost surely, 2^1046805709 is an apocalyptic number.

It is an amenable number.

1046805709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046805709 is an equidigital number, since it uses as much as digits as its factorization.

1046805709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1046805709 is about 32354.3769681940. The cubic root of 1046805709 is about 1015.3646223302.

The spelling of 1046805709 in words is "one billion, forty-six million, eight hundred five thousand, seven hundred nine".