2065395969 has 128 divisors (see below), whose sum is σ = 4004044800. Its totient is φ = 1021766400.

The previous prime is 2065395901. The next prime is 2065395989. The reversal of 2065395969 is 9695935602.

It is not a de Polignac number, because 2065395969 - 2²⁴ = 2048618753 is a prime.

It is a super-2 number, since 2×2065395969² = 8531721017522897922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2065395989) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7048987 + ... + 7049279.

It is an arithmetic number, because the mean of its divisors is an integer number (31281600).

Almost surely, 2^2065395969 is an apocalyptic number.

It is an amenable number.

2065395969 is a deficient number, since it is larger than the sum of its proper divisors (1938648831).

2065395969 is a wasteful number, since it uses less digits than its factorization.

2065395969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The square root of 2065395969 is about 45446.6276966729. The cubic root of 2065395969 is about 1273.5063311196.

The spelling of 2065395969 in words is "two billion, sixty-five million, three hundred ninety-five thousand, nine hundred sixty-nine".