2754091809 has 12 divisors (see below), whose sum is σ = 4546437376. Its totient is φ = 1573766712.

The previous prime is 2754091793. The next prime is 2754091843. The reversal of 2754091809 is 9081904572.

2754091809 is a `hidden beast` number, since 27 + 540 + 9 + 1 + 80 + 9 = 666.

It is not a de Polignac number, because 2754091809 - 2⁴ = 2754091793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2754091849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21857809 + ... + 21857934.

Almost surely, 2^2754091809 is an apocalyptic number.

It is an amenable number.

2754091809 is a deficient number, since it is larger than the sum of its proper divisors (1792345567).

2754091809 is a wasteful number, since it uses less digits than its factorization.

2754091809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43715756 (or 43715753 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2754091809 is about 52479.4417748512. The cubic root of 2754091809 is about 1401.7141942895.

The spelling of 2754091809 in words is "two billion, seven hundred fifty-four million, ninety-one thousand, eight hundred nine".