4020459895279 has 2 divisors, whose sum is σ = 4020459895280. Its totient is φ = 4020459895278.

The previous prime is 4020459895267. The next prime is 4020459895349. The reversal of 4020459895279 is 9725989540204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4020459895279 - 2³⁵ = 3986100156911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4020459895279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020459895579) 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 as a sum of consecutive naturals, namely, 2010229947639 + 2010229947640.

It is an arithmetic number, because the mean of its divisors is an integer number (2010229947640).

Almost surely, 2^{4020459895279} is an apocalyptic number.

4020459895279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020459895279 is an equidigital number, since it uses as much as digits as its factorization.

4020459895279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 4020459895279 in words is "four trillion, twenty billion, four hundred fifty-nine million, eight hundred ninety-five thousand, two hundred seventy-nine".