2065347561413 has 4 divisors (see below), whose sum is σ = 2078502641580. Its totient is φ = 2052192481248.

The previous prime is 2065347561401. The next prime is 2065347561421. The reversal of 2065347561413 is 3141657435602.

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 821011773409 + 1244335788004 = 906097^2 + 1115498^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065347561413 - 2⁶ = 2065347561349 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 (2065347561443) 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, 6577539848 + ... + 6577540161.

It is an arithmetic number, because the mean of its divisors is an integer number (519625660395).

Almost surely, 2^{2065347561413} is an apocalyptic number.

It is an amenable number.

2065347561413 is a deficient number, since it is larger than the sum of its proper divisors (13155080167).

2065347561413 is a wasteful number, since it uses less digits than its factorization.

2065347561413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155080166.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 2065347561413 in words is "two trillion, sixty-five billion, three hundred forty-seven million, five hundred sixty-one thousand, four hundred thirteen".