2721893373 has 12 divisors (see below), whose sum is σ = 3932091228. Its totient is φ = 1814379840.

The previous prime is 2721893359. The next prime is 2721893381. The reversal of 2721893373 is 3733981272.

2721893373 is a `hidden beast` number, since 272 + 1 + 8 + 9 + 3 + 373 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1615798809 + 1106094564 = 40197^2 + 33258^2 .

It is not a de Polignac number, because 2721893373 - 2¹⁷ = 2721762301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721893323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109483 + ... + 132023.

It is an arithmetic number, because the mean of its divisors is an integer number (327674269).

Almost surely, 2^2721893373 is an apocalyptic number.

It is an amenable number.

2721893373 is a deficient number, since it is larger than the sum of its proper divisors (1210197855).

2721893373 is a wasteful number, since it uses less digits than its factorization.

2721893373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35964 (or 35961 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 2721893373 is about 52171.7679688929. The cubic root of 2721893373 is about 1396.2302278244.

The spelling of 2721893373 in words is "two billion, seven hundred twenty-one million, eight hundred ninety-three thousand, three hundred seventy-three".