2868020159 has 4 divisors (see below), whose sum is σ = 2876145216. Its totient is φ = 2859895104.

The previous prime is 2868020147. The next prime is 2868020179. The reversal of 2868020159 is 9510208682.

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 2868020159 - 2²⁸ = 2599584703 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 (2868020119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4061999 + ... + 4062704.

It is an arithmetic number, because the mean of its divisors is an integer number (719036304).

Almost surely, 2^2868020159 is an apocalyptic number.

2868020159 is a deficient number, since it is larger than the sum of its proper divisors (8125057).

2868020159 is an equidigital number, since it uses as much as digits as its factorization.

2868020159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125056.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2868020159 is about 53553.8995685655. The cubic root of 2868020159 is about 1420.7818479209.

The spelling of 2868020159 in words is "two billion, eight hundred sixty-eight million, twenty thousand, one hundred fifty-nine".