2065021615 has 8 divisors (see below), whose sum is σ = 2544999840. Its totient is φ = 1607368032.

The previous prime is 2065021613. The next prime is 2065021639. The reversal of 2065021615 is 5161205602.

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

It is a cyclic number.

It is not a de Polignac number, because 2065021615 - 2¹ = 2065021613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065021613) 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, 5580955 + ... + 5581324.

It is an arithmetic number, because the mean of its divisors is an integer number (318124980).

Almost surely, 2^2065021615 is an apocalyptic number.

2065021615 is a deficient number, since it is larger than the sum of its proper divisors (479978225).

2065021615 is a wasteful number, since it uses less digits than its factorization.

2065021615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162321.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2065021615 is about 45442.5088986073. The cubic root of 2065021615 is about 1273.4293852615.

The spelling of 2065021615 in words is "two billion, sixty-five million, twenty-one thousand, six hundred fifteen".