2748449252 has 12 divisors (see below), whose sum is σ = 4817636796. Its totient is φ = 1371981600.

The previous prime is 2748449251. The next prime is 2748449273. The reversal of 2748449252 is 2529448472.

It can be written as a sum of positive squares in 2 ways, for example, as 439070116 + 2309379136 = 20954^2 + 48056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2748449197 and 2748449206.

It is not an unprimeable number, because it can be changed into a prime (2748449251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557999 + ... + 562902.

It is an arithmetic number, because the mean of its divisors is an integer number (401469733).

Almost surely, 2^2748449252 is an apocalyptic number.

It is an amenable number.

2748449252 is a deficient number, since it is larger than the sum of its proper divisors (2069187544).

2748449252 is a wasteful number, since it uses less digits than its factorization.

2748449252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121518 (or 1121516 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The square root of 2748449252 is about 52425.6545214268. The cubic root of 2748449252 is about 1400.7562669083.

The spelling of 2748449252 in words is "two billion, seven hundred forty-eight million, four hundred forty-nine thousand, two hundred fifty-two".