2748493729 has 4 divisors (see below), whose sum is σ = 2748847360. Its totient is φ = 2748140100.

The previous prime is 2748493703. The next prime is 2748493747. The reversal of 2748493729 is 9273948472.

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 2748493729 - 2⁹ = 2748493217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2748493729.

It is not an unprimeable number, because it can be changed into a prime (2748493799) 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, 164889 + ... + 180790.

It is an arithmetic number, because the mean of its divisors is an integer number (687211840).

Almost surely, 2^2748493729 is an apocalyptic number.

It is an amenable number.

2748493729 is a deficient number, since it is larger than the sum of its proper divisors (353631).

2748493729 is an equidigital number, since it uses as much as digits as its factorization.

2748493729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353630.

The product of its digits is 6096384, while the sum is 55.

The square root of 2748493729 is about 52426.0787108859. The cubic root of 2748493729 is about 1400.7638228177.

The spelling of 2748493729 in words is "two billion, seven hundred forty-eight million, four hundred ninety-three thousand, seven hundred twenty-nine".