1009494503 has 2 divisors, whose sum is σ = 1009494504. Its totient is φ = 1009494502.

The previous prime is 1009494481. The next prime is 1009494511. The reversal of 1009494503 is 3054949001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009494503 - 2⁶ = 1009494439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009494523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504747251 + 504747252.

It is an arithmetic number, because the mean of its divisors is an integer number (504747252).

Almost surely, 2^1009494503 is an apocalyptic number.

1009494503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009494503 is an equidigital number, since it uses as much as digits as its factorization.

1009494503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1009494503 is about 31772.5432252440. The cubic root of 1009494503 is about 1003.1548706574.

The spelling of 1009494503 in words is "one billion, nine million, four hundred ninety-four thousand, five hundred three".