2729730685429 has 8 divisors (see below), whose sum is σ = 2977945572672. Its totient is φ = 2481525390240.

The previous prime is 2729730685399. The next prime is 2729730685439. The reversal of 2729730685429 is 9245860379272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2729730685429 - 2¹⁷ = 2729730554357 is a prime.

It is a super-2 number, since 2×2729730685429² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729730685439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796409 + ... + 2947294.

It is an arithmetic number, because the mean of its divisors is an integer number (372243196584).

Almost surely, 2^{2729730685429} is an apocalyptic number.

It is an amenable number.

2729730685429 is a deficient number, since it is larger than the sum of its proper divisors (248214887243).

2729730685429 is a wasteful number, since it uses less digits than its factorization.

2729730685429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796027.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 2729730685429 in words is "two trillion, seven hundred twenty-nine billion, seven hundred thirty million, six hundred eighty-five thousand, four hundred twenty-nine".