2733265321081 has 3 divisors (see below), whose sum is σ = 2733266974341. Its totient is φ = 2733263667822.

The previous prime is 2733265321067. The next prime is 2733265321109. The reversal of 2733265321081 is 1801235623372.

The square root of 2733265321081 is 1653259.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2733265321081 - 2¹¹ = 2733265319033 is a prime.

It is a super-2 number, since 2×2733265321081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2733265321181) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 826630 + ... + 2479888.

It is an arithmetic number, because the mean of its divisors is an integer number (911088991447).

Almost surely, 2^{2733265321081} is an apocalyptic number.

2733265321081 is the 1653259-th square number.

2733265321081 is the 826630-th centered octagonal number.

It is an amenable number.

2733265321081 is a deficient number, since it is larger than the sum of its proper divisors (1653260).

2733265321081 is an frugal number, since it uses more digits than its factorization.

2733265321081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306518 (or 1653259 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 2733265321081 in words is "two trillion, seven hundred thirty-three billion, two hundred sixty-five million, three hundred twenty-one thousand, eighty-one".