2748493641 has 4 divisors (see below), whose sum is σ = 3664658192. Its totient is φ = 1832329092.

The previous prime is 2748493613. The next prime is 2748493673. The reversal of 2748493641 is 1463948472.

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 not a de Polignac number, because 2748493641 - 2¹¹ = 2748491593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2748493691) 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, 458082271 + ... + 458082276.

It is an arithmetic number, because the mean of its divisors is an integer number (916164548).

Almost surely, 2^2748493641 is an apocalyptic number.

It is an amenable number.

2748493641 is a deficient number, since it is larger than the sum of its proper divisors (916164551).

2748493641 is an equidigital number, since it uses as much as digits as its factorization.

2748493641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916164550.

The product of its digits is 1161216, while the sum is 48.

The square root of 2748493641 is about 52426.0778716089. The cubic root of 2748493641 is about 1400.7638078680.

The spelling of 2748493641 in words is "two billion, seven hundred forty-eight million, four hundred ninety-three thousand, six hundred forty-one".