2006569965 has 16 divisors (see below), whose sum is σ = 3216168000. Its totient is φ = 1068285312.

The previous prime is 2006569949. The next prime is 2006569967. The reversal of 2006569965 is 5699656002.

It is not a de Polignac number, because 2006569965 - 2⁴ = 2006569949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006569967) 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, 109015 + ... + 126084.

It is an arithmetic number, because the mean of its divisors is an integer number (201010500).

Almost surely, 2^2006569965 is an apocalyptic number.

It is an amenable number.

2006569965 is a deficient number, since it is larger than the sum of its proper divisors (1209598035).

2006569965 is a wasteful number, since it uses less digits than its factorization.

2006569965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235676.

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 2006569965 is about 44794.7537664848. The cubic root of 2006569965 is about 1261.2991481851.

The spelling of 2006569965 in words is "two billion, six million, five hundred sixty-nine thousand, nine hundred sixty-five".