2646881159 has 4 divisors (see below), whose sum is σ = 2850487416. Its totient is φ = 2443274904.

The previous prime is 2646881141. The next prime is 2646881189. The reversal of 2646881159 is 9511886462.

2646881159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2646881159 - 2¹² = 2646877063 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 (2646881189) 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, 101803109 + ... + 101803134.

It is an arithmetic number, because the mean of its divisors is an integer number (712621854).

Almost surely, 2^2646881159 is an apocalyptic number.

2646881159 is a deficient number, since it is larger than the sum of its proper divisors (203606257).

2646881159 is a wasteful number, since it uses less digits than its factorization.

2646881159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203606256.

The product of its digits is 829440, while the sum is 50.

The square root of 2646881159 is about 51447.8489249065. The cubic root of 2646881159 is about 1383.2844052500.

The spelling of 2646881159 in words is "two billion, six hundred forty-six million, eight hundred eighty-one thousand, one hundred fifty-nine".