2748564557 has 2 divisors, whose sum is σ = 2748564558. Its totient is φ = 2748564556.

The previous prime is 2748564547. The next prime is 2748564629. The reversal of 2748564557 is 7554658472.

2748564557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2490608836 + 257955721 = 49906^2 + 16061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748564557 - 2²⁸ = 2480129101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2748564499 and 2748564508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748564527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374282278 + 1374282279.

It is an arithmetic number, because the mean of its divisors is an integer number (1374282279).

Almost surely, 2^2748564557 is an apocalyptic number.

It is an amenable number.

2748564557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748564557 is an equidigital number, since it uses as much as digits as its factorization.

2748564557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408000, while the sum is 53.

The square root of 2748564557 is about 52426.7542100405. The cubic root of 2748564557 is about 1400.7758551595.

The spelling of 2748564557 in words is "two billion, seven hundred forty-eight million, five hundred sixty-four thousand, five hundred fifty-seven".