2748216983257 has 4 divisors (see below), whose sum is σ = 2757168830416. Its totient is φ = 2739265136100.

The previous prime is 2748216983251. The next prime is 2748216983269. The reversal of 2748216983257 is 7523896128472.

2748216983257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2748216983257 - 2¹⁹ = 2748216458969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748216983251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475923119 + ... + 4475923732.

It is an arithmetic number, because the mean of its divisors is an integer number (689292207604).

Almost surely, 2^{2748216983257} is an apocalyptic number.

It is an amenable number.

2748216983257 is a deficient number, since it is larger than the sum of its proper divisors (8951847159).

2748216983257 is an equidigital number, since it uses as much as digits as its factorization.

2748216983257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951847158.

The product of its digits is 81285120, while the sum is 64.

The spelling of 2748216983257 in words is "two trillion, seven hundred forty-eight billion, two hundred sixteen million, nine hundred eighty-three thousand, two hundred fifty-seven".