3273452726561 has 4 divisors (see below), whose sum is σ = 3273456596400. Its totient is φ = 3273448856724.

The previous prime is 3273452726543. The next prime is 3273452726573. The reversal of 3273452726561 is 1656272543723.

3273452726561 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3273452726561 - 2³⁰ = 3272378984737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3273452726861) 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, 61391 + ... + 2559428.

It is an arithmetic number, because the mean of its divisors is an integer number (818364149100).

Almost surely, 2^{3273452726561} is an apocalyptic number.

It is an amenable number.

3273452726561 is a deficient number, since it is larger than the sum of its proper divisors (3869839).

3273452726561 is a wasteful number, since it uses less digits than its factorization.

3273452726561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869838.

The product of its digits is 12700800, while the sum is 53.

The spelling of 3273452726561 in words is "three trillion, two hundred seventy-three billion, four hundred fifty-two million, seven hundred twenty-six thousand, five hundred sixty-one".