2753533636721 has 16 divisors (see below), whose sum is σ = 3255468796800. Its totient is φ = 2278744758528.

The previous prime is 2753533636717. The next prime is 2753533636729. The reversal of 2753533636721 is 1276363353572.

It is not a de Polignac number, because 2753533636721 - 2² = 2753533636717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2753533636729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16406810 + ... + 16573788.

It is an arithmetic number, because the mean of its divisors is an integer number (203466799800).

Almost surely, 2^{2753533636721} is an apocalyptic number.

It is an amenable number.

2753533636721 is a deficient number, since it is larger than the sum of its proper divisors (501935160079).

2753533636721 is a wasteful number, since it uses less digits than its factorization.

2753533636721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248248.

The product of its digits is 14288400, while the sum is 53.

The spelling of 2753533636721 in words is "two trillion, seven hundred fifty-three billion, five hundred thirty-three million, six hundred thirty-six thousand, seven hundred twenty-one".