2722157326573 has 4 divisors (see below), whose sum is σ = 2724462287388. Its totient is φ = 2719852365760.

The previous prime is 2722157326513. The next prime is 2722157326589. The reversal of 2722157326573 is 3756237512272.

2722157326573 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1953277374409 + 768879952164 = 1397597^2 + 876858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722157326573 - 2¹³ = 2722157318381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722157326573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722157326513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152478636 + ... + 1152480997.

It is an arithmetic number, because the mean of its divisors is an integer number (681115571847).

Almost surely, 2^{2722157326573} is an apocalyptic number.

It is an amenable number.

2722157326573 is a deficient number, since it is larger than the sum of its proper divisors (2304960815).

2722157326573 is a wasteful number, since it uses less digits than its factorization.

2722157326573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304960814.

The product of its digits is 7408800, while the sum is 52.

The spelling of 2722157326573 in words is "two trillion, seven hundred twenty-two billion, one hundred fifty-seven million, three hundred twenty-six thousand, five hundred seventy-three".