2065137568 has 24 divisors (see below), whose sum is σ = 4378489668. Its totient is φ = 953140224.

The previous prime is 2065137563. The next prime is 2065137587. The reversal of 2065137568 is 8657315602.

It can be written as a sum of positive squares in 2 ways, for example, as 1991658384 + 73479184 = 44628^2 + 8572^2 .

It is not an unprimeable number, because it can be changed into a prime (2065137563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2481721 + ... + 2482552.

Almost surely, 2^2065137568 is an apocalyptic number.

It is an amenable number.

2065137568 is an abundant number, since it is smaller than the sum of its proper divisors (2313352100).

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

2065137568 is a wasteful number, since it uses less digits than its factorization.

2065137568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964296 (or 4964288 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2065137568 is about 45443.7847015409. The cubic root of 2065137568 is about 1273.4532195873.

The spelling of 2065137568 in words is "two billion, sixty-five million, one hundred thirty-seven thousand, five hundred sixty-eight".