2729926856069 has 18 divisors (see below), whose sum is σ = 3319703145990. Its totient is φ = 2238200879376.

The previous prime is 2729926856039. The next prime is 2729926856071. The reversal of 2729926856069 is 9606586299272.

It can be written as a sum of positive squares in only one way, i.e., 2691535548100 + 38391307969 = 1640590^2 + 195937^2 .

It is not a de Polignac number, because 2729926856069 - 2⁸ = 2729926855813 is a prime.

It is a super-2 number, since 2×2729926856069² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2729926855993 and 2729926856011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729926856009) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52632674 + ... + 52684515.

It is an arithmetic number, because the mean of its divisors is an integer number (184427952555).

Almost surely, 2^{2729926856069} is an apocalyptic number.

It is an amenable number.

2729926856069 is a deficient number, since it is larger than the sum of its proper divisors (589776289921).

2729926856069 is a wasteful number, since it uses less digits than its factorization.

2729926856069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105317249 (or 105317219 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 71.

The spelling of 2729926856069 in words is "two trillion, seven hundred twenty-nine billion, nine hundred twenty-six million, eight hundred fifty-six thousand, sixty-nine".