3540021530065 has 16 divisors (see below), whose sum is σ = 4505740557120. Its totient is φ = 2662483037760.

The previous prime is 3540021530033. The next prime is 3540021530077. The reversal of 3540021530065 is 5600351200453.

It is not a de Polignac number, because 3540021530065 - 2⁵ = 3540021530033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3540021530065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142214214 + ... + 142239103.

It is an arithmetic number, because the mean of its divisors is an integer number (281608784820).

Almost surely, 2^{3540021530065} is an apocalyptic number.

It is an amenable number.

3540021530065 is a deficient number, since it is larger than the sum of its proper divisors (965719027055).

3540021530065 is a wasteful number, since it uses less digits than its factorization.

3540021530065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284453472.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 3540021530065 in words is "three trillion, five hundred forty billion, twenty-one million, five hundred thirty thousand, sixty-five".