2738022009 has 4 divisors (see below), whose sum is σ = 3650696016. Its totient is φ = 1825348004.

The previous prime is 2738021981. The next prime is 2738022019. The reversal of 2738022009 is 9002208372.

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 a cyclic number.

It is not a de Polignac number, because 2738022009 - 2²⁰ = 2736973433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2738022019) 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, 456336999 + ... + 456337004.

It is an arithmetic number, because the mean of its divisors is an integer number (912674004).

Almost surely, 2^2738022009 is an apocalyptic number.

It is an amenable number.

2738022009 is a deficient number, since it is larger than the sum of its proper divisors (912674007).

2738022009 is an equidigital number, since it uses as much as digits as its factorization.

2738022009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912674006.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2738022009 is about 52326.1121143163. The cubic root of 2738022009 is about 1398.9825956777.

The spelling of 2738022009 in words is "two billion, seven hundred thirty-eight million, twenty-two thousand, nine".