1034394509 has 2 divisors, whose sum is σ = 1034394510. Its totient is φ = 1034394508.

The previous prime is 1034394457. The next prime is 1034394521. The reversal of 1034394509 is 9054934301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1007872009 + 26522500 = 31747^2 + 5150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034394509 - 2⁸ = 1034394253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1034394539) 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, 517197254 + 517197255.

It is an arithmetic number, because the mean of its divisors is an integer number (517197255).

Almost surely, 2^1034394509 is an apocalyptic number.

It is an amenable number.

1034394509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034394509 is an equidigital number, since it uses as much as digits as its factorization.

1034394509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1034394509 is about 32162.0041197684. The cubic root of 1034394509 is about 1011.3358492963.

The spelling of 1034394509 in words is "one billion, thirty-four million, three hundred ninety-four thousand, five hundred nine".