2757427189 has 4 divisors (see below), whose sum is σ = 3008102400. Its totient is φ = 2506751980.

The previous prime is 2757427181. The next prime is 2757427219. The reversal of 2757427189 is 9817247572.

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 2757427189 - 2³ = 2757427181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2757427181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125337589 + ... + 125337610.

It is an arithmetic number, because the mean of its divisors is an integer number (752025600).

Almost surely, 2^2757427189 is an apocalyptic number.

It is an amenable number.

2757427189 is a deficient number, since it is larger than the sum of its proper divisors (250675211).

2757427189 is a wasteful number, since it uses less digits than its factorization.

2757427189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250675210.

The product of its digits is 1975680, while the sum is 52.

The square root of 2757427189 is about 52511.2101269815. The cubic root of 2757427189 is about 1402.2798209692.

The spelling of 2757427189 in words is "two billion, seven hundred fifty-seven million, four hundred twenty-seven thousand, one hundred eighty-nine".