2729857747636 has 12 divisors (see below), whose sum is σ = 5058265826628. Its totient is φ = 1284638940032.

The previous prime is 2729857747627. The next prime is 2729857747637. The reversal of 2729857747636 is 6367477589272.

2729857747636 is digitally balanced in base 2, 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 2 ways, for example, as 2063991955600 + 665865792036 = 1436660^2 + 816006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729857747637) 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, 20072483371 + ... + 20072483506.

It is an arithmetic number, because the mean of its divisors is an integer number (421522152219).

Almost surely, 2^{2729857747636} is an apocalyptic number.

It is an amenable number.

2729857747636 is a deficient number, since it is larger than the sum of its proper divisors (2328408078992).

2729857747636 is a wasteful number, since it uses less digits than its factorization.

2729857747636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40144966898 (or 40144966896 counting only the distinct ones).

The product of its digits is 1493614080, while the sum is 73.

The spelling of 2729857747636 in words is "two trillion, seven hundred twenty-nine billion, eight hundred fifty-seven million, seven hundred forty-seven thousand, six hundred thirty-six".