2761873221 has 8 divisors (see below), whose sum is σ = 3704549184. Its totient is φ = 1830223040.

The previous prime is 2761873211. The next prime is 2761873243. The reversal of 2761873221 is 1223781672.

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 2761873221 - 2¹⁴ = 2761856837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2761873221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2761873211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755860 + ... + 2756861.

It is an arithmetic number, because the mean of its divisors is an integer number (463068648).

Almost surely, 2^2761873221 is an apocalyptic number.

It is an amenable number.

2761873221 is a deficient number, since it is larger than the sum of its proper divisors (942675963).

2761873221 is a wasteful number, since it uses less digits than its factorization.

2761873221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512891.

The product of its digits is 56448, while the sum is 39.

The square root of 2761873221 is about 52553.5271984669. The cubic root of 2761873221 is about 1403.0330875328.

The spelling of 2761873221 in words is "two billion, seven hundred sixty-one million, eight hundred seventy-three thousand, two hundred twenty-one".