2755989443 has 8 divisors (see below), whose sum is σ = 2764489728. Its totient is φ = 2747501064.

The previous prime is 2755989433. The next prime is 2755989469. The reversal of 2755989443 is 3449895572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2755989443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2755989403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686480 + ... + 690482.

It is an arithmetic number, because the mean of its divisors is an integer number (345561216).

Almost surely, 2^2755989443 is an apocalyptic number.

2755989443 is a deficient number, since it is larger than the sum of its proper divisors (8500285).

2755989443 is a wasteful number, since it uses less digits than its factorization.

2755989443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its digits is 10886400, while the sum is 56.

The square root of 2755989443 is about 52497.5184461132. The cubic root of 2755989443 is about 1402.0360583874.

The spelling of 2755989443 in words is "two billion, seven hundred fifty-five million, nine hundred eighty-nine thousand, four hundred forty-three".