2748657259 has 4 divisors (see below), whose sum is σ = 2748816504. Its totient is φ = 2748498016.

The previous prime is 2748657239. The next prime is 2748657269. The reversal of 2748657259 is 9527568472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2748657259 - 2⁵ = 2748657227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748657209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50077 + ... + 89470.

It is an arithmetic number, because the mean of its divisors is an integer number (687204126).

Almost surely, 2^2748657259 is an apocalyptic number.

2748657259 is a deficient number, since it is larger than the sum of its proper divisors (159245).

2748657259 is a wasteful number, since it uses less digits than its factorization.

2748657259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159244.

The product of its digits is 8467200, while the sum is 55.

The square root of 2748657259 is about 52427.6383122490. The cubic root of 2748657259 is about 1400.7916031691.

The spelling of 2748657259 in words is "two billion, seven hundred forty-eight million, six hundred fifty-seven thousand, two hundred fifty-nine".