3729823272289 has 4 divisors (see below), whose sum is σ = 3739218293524. Its totient is φ = 3720428251056.

The previous prime is 3729823272277. The next prime is 3729823272311. The reversal of 3729823272289 is 9822723289273.

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 1591677454689 + 2138145817600 = 1261617^2 + 1462240^2 .

It is a cyclic number.

It is not a de Polignac number, because 3729823272289 - 2⁹ = 3729823271777 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 3729823272289.

It is not an unprimeable number, because it can be changed into a prime (3729823252289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4697510022 + ... + 4697510815.

It is an arithmetic number, because the mean of its divisors is an integer number (934804573381).

Almost surely, 2^{3729823272289} is an apocalyptic number.

It is an amenable number.

3729823272289 is a deficient number, since it is larger than the sum of its proper divisors (9395021235).

3729823272289 is an equidigital number, since it uses as much as digits as its factorization.

3729823272289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395021234.

The product of its digits is 73156608, while the sum is 64.

The spelling of 3729823272289 in words is "three trillion, seven hundred twenty-nine billion, eight hundred twenty-three million, two hundred seventy-two thousand, two hundred eighty-nine".