2065930513 has 4 divisors (see below), whose sum is σ = 2104910388. Its totient is φ = 2026950640.

The previous prime is 2065930481. The next prime is 2065930547. The reversal of 2065930513 is 3150395602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1788274944 + 277655569 = 42288^2 + 16663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065930513 - 2⁵ = 2065930481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2065930583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19489858 + ... + 19489963.

It is an arithmetic number, because the mean of its divisors is an integer number (526227597).

Almost surely, 2^2065930513 is an apocalyptic number.

It is an amenable number.

2065930513 is a deficient number, since it is larger than the sum of its proper divisors (38979875).

2065930513 is an equidigital number, since it uses as much as digits as its factorization.

2065930513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38979874.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 2065930513 is about 45452.5083246238. The cubic root of 2065930513 is about 1273.6161868017.

The spelling of 2065930513 in words is "two billion, sixty-five million, nine hundred thirty thousand, five hundred thirteen".