8002159549 has 12 divisors (see below), whose sum is σ = 8278343100. Its totient is φ = 7734921600.

The previous prime is 8002159447. The next prime is 8002159559. The reversal of 8002159549 is 9459512008.

It can be written as a sum of positive squares in 2 ways, for example, as 1679524324 + 6322635225 = 40982^2 + 79515^2 .

It is not a de Polignac number, because 8002159549 - 2⁹ = 8002159037 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 (8002159559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899877 + ... + 908725.

It is an arithmetic number, because the mean of its divisors is an integer number (689861925).

Almost surely, 2^8002159549 is an apocalyptic number.

It is an amenable number.

8002159549 is a deficient number, since it is larger than the sum of its proper divisors (276183551).

8002159549 is an equidigital number, since it uses as much as digits as its factorization.

8002159549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852 (or 9821 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 8002159549 is about 89454.7905313069. The cubic root of 8002159549 is about 2000.1799462259.

The spelling of 8002159549 in words is "eight billion, two million, one hundred fifty-nine thousand, five hundred forty-nine".