2009622536 has 32 divisors (see below), whose sum is σ = 3822634200. Its totient is φ = 990351360.

The previous prime is 2009622521. The next prime is 2009622557. The reversal of 2009622536 is 6352269002.

It can be written as a sum of positive squares in 4 ways, for example, as 1458781636 + 550840900 = 38194^2 + 23470^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2009622496 and 2009622505.

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 7 ways as a sum of consecutive naturals, for example, 162326 + ... + 174266.

Almost surely, 2^2009622536 is an apocalyptic number.

It is an amenable number.

2009622536 is a deficient number, since it is larger than the sum of its proper divisors (1813011664).

2009622536 is a wasteful number, since it uses less digits than its factorization.

2009622536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12249 (or 12245 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2009622536 is about 44828.8136804890. The cubic root of 2009622536 is about 1261.9384239134.

The spelling of 2009622536 in words is "two billion, nine million, six hundred twenty-two thousand, five hundred thirty-six".