2130544065 has 16 divisors (see below), whose sum is σ = 3671091648. Its totient is φ = 1048883136.

The previous prime is 2130544061. The next prime is 2130544067. The reversal of 2130544065 is 5604450312.

It is not a de Polignac number, because 2130544065 - 2² = 2130544061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130544061) 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 15 ways as a sum of consecutive naturals, for example, 5462739 + ... + 5463128.

It is an arithmetic number, because the mean of its divisors is an integer number (229443228).

Almost surely, 2^2130544065 is an apocalyptic number.

It is an amenable number.

2130544065 is a deficient number, since it is larger than the sum of its proper divisors (1540547583).

2130544065 is a wasteful number, since it uses less digits than its factorization.

2130544065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925888.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2130544065 is about 46157.8169436121. The cubic root of 2130544065 is about 1286.7578912459.

Adding to 2130544065 its reverse (5604450312), we get a palindrome (7734994377).

The spelling of 2130544065 in words is "two billion, one hundred thirty million, five hundred forty-four thousand, sixty-five".