2065121513653 has 8 divisors (see below), whose sum is σ = 2286484607520. Its totient is φ = 1849362548880.

The previous prime is 2065121513641. The next prime is 2065121513669. The reversal of 2065121513653 is 3563151215602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2065121513653 - 2⁵ = 2065121513621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065121573653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401031498 + ... + 1401032971.

It is an arithmetic number, because the mean of its divisors is an integer number (285810575940).

Almost surely, 2^{2065121513653} is an apocalyptic number.

It is an amenable number.

2065121513653 is a deficient number, since it is larger than the sum of its proper divisors (221363093867).

2065121513653 is a wasteful number, since it uses less digits than its factorization.

2065121513653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802064547.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 2065121513653 in words is "two trillion, sixty-five billion, one hundred twenty-one million, five hundred thirteen thousand, six hundred fifty-three".