2748257957 has 2 divisors, whose sum is σ = 2748257958. Its totient is φ = 2748257956.

The previous prime is 2748257929. The next prime is 2748257959. The reversal of 2748257957 is 7597528472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440278401 + 1307979556 = 37951^2 + 36166^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748257957 - 2¹⁰ = 2748256933 is a prime.

Together with 2748257959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748257959) 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 as a sum of consecutive naturals, namely, 1374128978 + 1374128979.

It is an arithmetic number, because the mean of its divisors is an integer number (1374128979).

Almost surely, 2^2748257957 is an apocalyptic number.

It is an amenable number.

2748257957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748257957 is an equidigital number, since it uses as much as digits as its factorization.

2748257957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9878400, while the sum is 56.

The square root of 2748257957 is about 52423.8300489386. The cubic root of 2748257957 is about 1400.7237681108.

The spelling of 2748257957 in words is "two billion, seven hundred forty-eight million, two hundred fifty-seven thousand, nine hundred fifty-seven".