2733004021 has 4 divisors (see below), whose sum is σ = 2981458944. Its totient is φ = 2484549100.

The previous prime is 2733003983. The next prime is 2733004037. The reversal of 2733004021 is 1204003372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2733004021 - 2¹⁹ = 2732479733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2733003983 and 2733004001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2733004321) 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 3 ways as a sum of consecutive naturals, for example, 124227445 + ... + 124227466.

It is an arithmetic number, because the mean of its divisors is an integer number (745364736).

Almost surely, 2^2733004021 is an apocalyptic number.

It is an amenable number.

2733004021 is a deficient number, since it is larger than the sum of its proper divisors (248454923).

2733004021 is a wasteful number, since it uses less digits than its factorization.

2733004021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248454922.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2733004021 is about 52278.1409482013. The cubic root of 2733004021 is about 1398.1274320103.

Adding to 2733004021 its reverse (1204003372), we get a palindrome (3937007393).

The spelling of 2733004021 in words is "two billion, seven hundred thirty-three million, four thousand, twenty-one".