1026773009 has 2 divisors, whose sum is σ = 1026773010. Its totient is φ = 1026773008.

The previous prime is 1026772973. The next prime is 1026773017. The reversal of 1026773009 is 9003776201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 565726225 + 461046784 = 23785^2 + 21472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026773009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1026773009.

It is not a weakly prime, because it can be changed into another prime (1026773309) 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, 513386504 + 513386505.

It is an arithmetic number, because the mean of its divisors is an integer number (513386505).

Almost surely, 2^1026773009 is an apocalyptic number.

It is an amenable number.

1026773009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026773009 is an equidigital number, since it uses as much as digits as its factorization.

1026773009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1026773009 is about 32043.2989718599. The cubic root of 1026773009 is about 1008.8458564304.

The spelling of 1026773009 in words is "one billion, twenty-six million, seven hundred seventy-three thousand, nine".