2065449195513 has 12 divisors (see below), whose sum is σ = 3254647217328. Its totient is φ = 1251787391160.

The previous prime is 2065449195457. The next prime is 2065449195541. The reversal of 2065449195513 is 3155919445602.

It is a happy number.

2065449195513 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 449 + 195 + 5 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2065449195513 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2065449195513.

It is not an unprimeable number, because it can be changed into a prime (2065449195553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10431561495 + ... + 10431561692.

It is an arithmetic number, because the mean of its divisors is an integer number (271220601444).

Almost surely, 2^{2065449195513} is an apocalyptic number.

It is an amenable number.

2065449195513 is a deficient number, since it is larger than the sum of its proper divisors (1189198021815).

2065449195513 is a wasteful number, since it uses less digits than its factorization.

2065449195513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863123204 (or 20863123201 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 2065449195513 in words is "two trillion, sixty-five billion, four hundred forty-nine million, one hundred ninety-five thousand, five hundred thirteen".