9876542329 has 2 divisors, whose sum is σ = 9876542330. Its totient is φ = 9876542328.

The previous prime is 9876542303. The next prime is 9876542363. The reversal of 9876542329 is 9232456789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8158605625 + 1717936704 = 90325^2 + 41448^2 .

It is an emirp because it is prime and its reverse (9232456789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9876542329 - 2⁵ = 9876542297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9876542329.

It is not a weakly prime, because it can be changed into another prime (9876548329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938271164 + 4938271165.

It is an arithmetic number, because the mean of its divisors is an integer number (4938271165).

Almost surely, 2^9876542329 is an apocalyptic number.

It is an amenable number.

9876542329 is a deficient number, since it is larger than the sum of its proper divisors (1).

9876542329 is an equidigital number, since it uses as much as digits as its factorization.

9876542329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The square root of 9876542329 is about 99380.7945681659. The cubic root of 9876542329 is about 2145.5319020045.

The spelling of 9876542329 in words is "nine billion, eight hundred seventy-six million, five hundred forty-two thousand, three hundred twenty-nine".