2859281338961 has 8 divisors (see below), whose sum is σ = 2872474719048. Its totient is φ = 2846098944000.

The previous prime is 2859281338951. The next prime is 2859281338987. The reversal of 2859281338961 is 1698331829582.

2859281338961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 757596160000 + 2101685178961 = 870400^2 + 1449719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2859281338961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2859281338951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224280 + ... + 3265881.

It is an arithmetic number, because the mean of its divisors is an integer number (359059339881).

Almost surely, 2^{2859281338961} is an apocalyptic number.

It is an amenable number.

2859281338961 is a deficient number, since it is larger than the sum of its proper divisors (13193380087).

2859281338961 is a wasteful number, since it uses less digits than its factorization.

2859281338961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492563.

The product of its digits is 44789760, while the sum is 65.

The spelling of 2859281338961 in words is "two trillion, eight hundred fifty-nine billion, two hundred eighty-one million, three hundred thirty-eight thousand, nine hundred sixty-one".