1009494475 has 24 divisors (see below), whose sum is σ = 1367055360. Its totient is φ = 733380000.

The previous prime is 1009494461. The next prime is 1009494481. The reversal of 1009494475 is 5744949001.

It is not a de Polignac number, because 1009494475 - 2⁹ = 1009493963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394450 + ... + 397000.

It is an arithmetic number, because the mean of its divisors is an integer number (56960640).

Almost surely, 2^1009494475 is an apocalyptic number.

1009494475 is a deficient number, since it is larger than the sum of its proper divisors (357560885).

1009494475 is a wasteful number, since it uses less digits than its factorization.

1009494475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011 (or 4006 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1009494475 is about 31772.5427846120. The cubic root of 1009494475 is about 1003.1548613827.

The spelling of 1009494475 in words is "one billion, nine million, four hundred ninety-four thousand, four hundred seventy-five".