2723551156729 has 8 divisors (see below), whose sum is σ = 2951736973640. Its totient is φ = 2498034180096.

The previous prime is 2723551156693. The next prime is 2723551156757. The reversal of 2723551156729 is 9276511553272.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27781222329 + 2695769934400 = 166677^2 + 1641880^2 .

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

It is not a de Polignac number, because 2723551156729 - 2¹⁹ = 2723550632441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2723551156729.

It is not an unprimeable number, because it can be changed into a prime (2723551156829) 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, 667207944 + ... + 667212025.

It is an arithmetic number, because the mean of its divisors is an integer number (368967121705).

Almost surely, 2^{2723551156729} is an apocalyptic number.

It is an amenable number.

2723551156729 is a deficient number, since it is larger than the sum of its proper divisors (228185816911).

2723551156729 is a wasteful number, since it uses less digits than its factorization.

2723551156729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334420139.

The product of its digits is 7938000, while the sum is 55.

The spelling of 2723551156729 in words is "two trillion, seven hundred twenty-three billion, five hundred fifty-one million, one hundred fifty-six thousand, seven hundred twenty-nine".