8440159073 has 2 divisors, whose sum is σ = 8440159074. Its totient is φ = 8440159072.

The previous prime is 8440159069. The next prime is 8440159109. The reversal of 8440159073 is 3709510448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6195578944 + 2244580129 = 78712^2 + 47377^2 .

It is a cyclic number.

It is not a de Polignac number, because 8440159073 - 2² = 8440159069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8440159073.

It is not a weakly prime, because it can be changed into another prime (8440159033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220079536 + 4220079537.

It is an arithmetic number, because the mean of its divisors is an integer number (4220079537).

Almost surely, 2^8440159073 is an apocalyptic number.

It is an amenable number.

8440159073 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440159073 is an equidigital number, since it uses as much as digits as its factorization.

8440159073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 8440159073 is about 91870.3383742544. The cubic root of 8440159073 is about 2036.0270517498.

The spelling of 8440159073 in words is "eight billion, four hundred forty million, one hundred fifty-nine thousand, seventy-three".