2721163853 has 8 divisors (see below), whose sum is σ = 2803706880. Its totient is φ = 2639094480.

The previous prime is 2721163843. The next prime is 2721163877. The reversal of 2721163853 is 3583611272.

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 2721163853 - 2²⁴ = 2704386637 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 (2721163813) 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, 106733 + ... + 129746.

It is an arithmetic number, because the mean of its divisors is an integer number (350463360).

Almost surely, 2^2721163853 is an apocalyptic number.

It is an amenable number.

2721163853 is a deficient number, since it is larger than the sum of its proper divisors (82543027).

2721163853 is a wasteful number, since it uses less digits than its factorization.

2721163853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236827.

The product of its digits is 60480, while the sum is 38.

The square root of 2721163853 is about 52164.7759795822. The cubic root of 2721163853 is about 1396.1054777884.

The spelling of 2721163853 in words is "two billion, seven hundred twenty-one million, one hundred sixty-three thousand, eight hundred fifty-three".