9840729059 has 4 divisors (see below), whose sum is σ = 11246547504. Its totient is φ = 8434910616.

The previous prime is 9840729053. The next prime is 9840729079. The reversal of 9840729059 is 9509270489.

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 9840729059 - 2¹² = 9840724963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9840729059.

It is not an unprimeable number, because it can be changed into a prime (9840729053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702909212 + ... + 702909225.

It is an arithmetic number, because the mean of its divisors is an integer number (2811636876).

Almost surely, 2^9840729059 is an apocalyptic number.

9840729059 is a deficient number, since it is larger than the sum of its proper divisors (1405818445).

9840729059 is a wasteful number, since it uses less digits than its factorization.

9840729059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405818444.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 9840729059 is about 99200.4488850731. The cubic root of 9840729059 is about 2142.9354611031.

The spelling of 9840729059 in words is "nine billion, eight hundred forty million, seven hundred twenty-nine thousand, fifty-nine".