2723545264021 has 8 divisors (see below), whose sum is σ = 2761936303104. Its totient is φ = 2685155093040.

The previous prime is 2723545263937. The next prime is 2723545264043. The reversal of 2723545264021 is 1204625453272.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2723545264021 - 2¹⁷ = 2723545132949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723545262021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8619195 + ... + 8929591.

It is an arithmetic number, because the mean of its divisors is an integer number (345242037888).

Almost surely, 2^{2723545264021} is an apocalyptic number.

It is an amenable number.

2723545264021 is a deficient number, since it is larger than the sum of its proper divisors (38391039083).

2723545264021 is a wasteful number, since it uses less digits than its factorization.

2723545264021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434051.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 2723545264021 in words is "two trillion, seven hundred twenty-three billion, five hundred forty-five million, two hundred sixty-four thousand, twenty-one".