1009494511 has 2 divisors, whose sum is σ = 1009494512. Its totient is φ = 1009494510.

The previous prime is 1009494503. The next prime is 1009494523. The reversal of 1009494511 is 1154949001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1009494511 - 2³ = 1009494503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009494581) 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, 504747255 + 504747256.

It is an arithmetic number, because the mean of its divisors is an integer number (504747256).

Almost surely, 2^1009494511 is an apocalyptic number.

1009494511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009494511 is an equidigital number, since it uses as much as digits as its factorization.

1009494511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1009494511 is about 31772.5433511389. The cubic root of 1009494511 is about 1003.1548733074.

The spelling of 1009494511 in words is "one billion, nine million, four hundred ninety-four thousand, five hundred eleven".