2748844989 has 24 divisors (see below), whose sum is σ = 4471244544. Its totient is φ = 1612224000.

The previous prime is 2748844963. The next prime is 2748844993. The reversal of 2748844989 is 9894488472.

2748844989 is a `hidden beast` number, since 27 + 48 + 84 + 498 + 9 = 666.

It is not a de Polignac number, because 2748844989 - 2¹⁵ = 2748812221 is a prime.

It is a super-2 number, since 2×2748844989² = 15112297547100820242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748842989) 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 23 ways as a sum of consecutive naturals, for example, 444772 + ... + 450909.

It is an arithmetic number, because the mean of its divisors is an integer number (186301856).

Almost surely, 2^2748844989 is an apocalyptic number.

It is an amenable number.

2748844989 is a deficient number, since it is larger than the sum of its proper divisors (1722399555).

2748844989 is a wasteful number, since it uses less digits than its factorization.

2748844989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895729 (or 895726 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The square root of 2748844989 is about 52429.4286541442. The cubic root of 2748844989 is about 1400.8234932396.

The spelling of 2748844989 in words is "two billion, seven hundred forty-eight million, eight hundred forty-four thousand, nine hundred eighty-nine".