9827729980943 has 16 divisors (see below), whose sum is σ = 11435288792064. Its totient is φ = 8271863756640.

The previous prime is 9827729980927. The next prime is 9827729981021. The reversal of 9827729980943 is 3490899277289.

9827729980943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9827729980943 - 2⁴ = 9827729980927 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 (9827759980943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32902823 + ... + 33200168.

It is an arithmetic number, because the mean of its divisors is an integer number (714705549504).

Almost surely, 2^{9827729980943} is an apocalyptic number.

9827729980943 is a deficient number, since it is larger than the sum of its proper divisors (1607558811121).

9827729980943 is a wasteful number, since it uses less digits than its factorization.

9827729980943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66103382.

The product of its (nonzero) digits is 987614208, while the sum is 77.

The spelling of 9827729980943 in words is "nine trillion, eight hundred twenty-seven billion, seven hundred twenty-nine million, nine hundred eighty thousand, nine hundred forty-three".