9009509050 has 12 divisors (see below), whose sum is σ = 16757686926. Its totient is φ = 3603803600.

The previous prime is 9009509029. The next prime is 9009509063. The reversal of 9009509050 is 509059009.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7700589009 + 1308920041 = 87753^2 + 36179^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90095041 + ... + 90095140.

Almost surely, 2^9009509050 is an apocalyptic number.

9009509050 is a deficient number, since it is larger than the sum of its proper divisors (7748177876).

9009509050 is a wasteful number, since it uses less digits than its factorization.

9009509050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180190193 (or 180190188 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 37.

The square root of 9009509050 is about 94918.4336680710. The cubic root of 9009509050 is about 2080.8161437570.

The spelling of 9009509050 in words is "nine billion, nine million, five hundred nine thousand, fifty".