1009654009 has 16 divisors (see below), whose sum is σ = 1260161280. Its totient is φ = 787590720.

The previous prime is 1009653989. The next prime is 1009654013. The reversal of 1009654009 is 9004569001.

It is not a de Polignac number, because 1009654009 - 2⁷ = 1009653881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1009654099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71674 + ... + 84595.

It is an arithmetic number, because the mean of its divisors is an integer number (78760080).

Almost surely, 2^1009654009 is an apocalyptic number.

It is an amenable number.

1009654009 is a deficient number, since it is larger than the sum of its proper divisors (250507271).

1009654009 is a wasteful number, since it uses less digits than its factorization.

1009654009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156360.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1009654009 is about 31775.0532493653. The cubic root of 1009654009 is about 1003.2077026420.

The spelling of 1009654009 in words is "one billion, nine million, six hundred fifty-four thousand, nine".