2009695608 has 48 divisors (see below), whose sum is σ = 5445034920. Its totient is φ = 669638976.

The previous prime is 2009695603. The next prime is 2009695651. The reversal of 2009695608 is 8065969002.

2009695608 is a `hidden beast` number, since 20 + 0 + 9 + 69 + 560 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009695603) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 302935 + ... + 309497.

Almost surely, 2^2009695608 is an apocalyptic number.

It is an amenable number.

2009695608 is an abundant number, since it is smaller than the sum of its proper divisors (3435339312).

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

2009695608 is a wasteful number, since it uses less digits than its factorization.

2009695608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10828 (or 10821 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2009695608 is about 44829.6286846099. The cubic root of 2009695608 is about 1261.9537188664.

The spelling of 2009695608 in words is "two billion, nine million, six hundred ninety-five thousand, six hundred eight".