2749168481 has 8 divisors (see below), whose sum is σ = 2915049384. Its totient is φ = 2583750400.

The previous prime is 2749168469. The next prime is 2749168517. The reversal of 2749168481 is 1848619472.

It can be written as a sum of positive squares in 4 ways, for example, as 2039425600 + 709742881 = 45160^2 + 26641^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2749168481 - 2¹⁴ = 2749152097 is a prime.

It is a super-2 number, since 2×2749168481² = 15115854673847694722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2749158481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103430 + ... + 127263.

It is an arithmetic number, because the mean of its divisors is an integer number (364381173).

Almost surely, 2^2749168481 is an apocalyptic number.

It is an amenable number.

2749168481 is a deficient number, since it is larger than the sum of its proper divisors (165880903).

2749168481 is a wasteful number, since it uses less digits than its factorization.

2749168481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231411.

The product of its digits is 774144, while the sum is 50.

The square root of 2749168481 is about 52432.5135865142. The cubic root of 2749168481 is about 1400.8784420660.

The spelling of 2749168481 in words is "two billion, seven hundred forty-nine million, one hundred sixty-eight thousand, four hundred eighty-one".