2065418081279 has 4 divisors (see below), whose sum is σ = 2360477807184. Its totient is φ = 1770358355376.

The previous prime is 2065418081269. The next prime is 2065418081329. The reversal of 2065418081279 is 9721808145602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065418081279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2065418081279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065418081269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147529862942 + ... + 147529862955.

It is an arithmetic number, because the mean of its divisors is an integer number (590119451796).

Almost surely, 2^{2065418081279} is an apocalyptic number.

2065418081279 is a deficient number, since it is larger than the sum of its proper divisors (295059725905).

2065418081279 is an equidigital number, since it uses as much as digits as its factorization.

2065418081279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295059725904.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 2065418081279 in words is "two trillion, sixty-five billion, four hundred eighteen million, eighty-one thousand, two hundred seventy-nine".