2272728536389 has 4 divisors (see below), whose sum is σ = 2272865307840. Its totient is φ = 2272591764940.

The previous prime is 2272728536383. The next prime is 2272728536411. The reversal of 2272728536389 is 9836358272722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2272728536389 - 2³ = 2272728536381 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 2272728536389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272728536381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68360797 + ... + 68394034.

It is an arithmetic number, because the mean of its divisors is an integer number (568216326960).

Almost surely, 2^{2272728536389} is an apocalyptic number.

It is an amenable number.

2272728536389 is a deficient number, since it is larger than the sum of its proper divisors (136771451).

2272728536389 is a wasteful number, since it uses less digits than its factorization.

2272728536389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136771450.

The product of its digits is 121927680, while the sum is 64.

The spelling of 2272728536389 in words is "two trillion, two hundred seventy-two billion, seven hundred twenty-eight million, five hundred thirty-six thousand, three hundred eighty-nine".