2750945189 has 4 divisors (see below), whose sum is σ = 2785767360. Its totient is φ = 2716123020.

The previous prime is 2750945179. The next prime is 2750945207. The reversal of 2750945189 is 9815490572.

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 2750945189 - 2¹⁶ = 2750879653 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 (2750945129) 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, 17410967 + ... + 17411124.

It is an arithmetic number, because the mean of its divisors is an integer number (696441840).

Almost surely, 2^2750945189 is an apocalyptic number.

It is an amenable number.

2750945189 is a deficient number, since it is larger than the sum of its proper divisors (34822171).

2750945189 is an equidigital number, since it uses as much as digits as its factorization.

2750945189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34822170.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 2750945189 is about 52449.4536577837. The cubic root of 2750945189 is about 1401.1801594720.

The spelling of 2750945189 in words is "two billion, seven hundred fifty million, nine hundred forty-five thousand, one hundred eighty-nine".