2009696528 has 20 divisors (see below), whose sum is σ = 4450042560. Its totient is φ = 861298464.

The previous prime is 2009696503. The next prime is 2009696561. The reversal of 2009696528 is 8256969002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8971748 + ... + 8971971.

It is an arithmetic number, because the mean of its divisors is an integer number (222502128).

Almost surely, 2^2009696528 is an apocalyptic number.

2009696528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2009696528 is an abundant number, since it is smaller than the sum of its proper divisors (2440346032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2009696528 is a wasteful number, since it uses less digits than its factorization.

2009696528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943734 (or 17943728 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2009696528 is about 44829.6389456797. The cubic root of 2009696528 is about 1261.9539114324.

The spelling of 2009696528 in words is "two billion, nine million, six hundred ninety-six thousand, five hundred twenty-eight".