8681929733 has 16 divisors (see below), whose sum is σ = 9244952496. Its totient is φ = 8124825600.

The previous prime is 8681929727. The next prime is 8681929741. The reversal of 8681929733 is 3379291868.

8681929733 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 91049764 + 8590879969 = 9542^2 + 92687^2 .

It is a cyclic number.

It is not a de Polignac number, because 8681929733 - 2⁴ = 8681929717 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 (8681329733) 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, 4566083 + ... + 4567983.

It is an arithmetic number, because the mean of its divisors is an integer number (577809531).

Almost surely, 2^8681929733 is an apocalyptic number.

It is an amenable number.

8681929733 is a deficient number, since it is larger than the sum of its proper divisors (563022763).

8681929733 is a wasteful number, since it uses less digits than its factorization.

8681929733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304.

The product of its digits is 3919104, while the sum is 56.

The square root of 8681929733 is about 93176.8733806839. The cubic root of 8681929733 is about 2055.2851713028.

The spelling of 8681929733 in words is "eight billion, six hundred eighty-one million, nine hundred twenty-nine thousand, seven hundred thirty-three".