2748754621 has 2 divisors, whose sum is σ = 2748754622. Its totient is φ = 2748754620.

The previous prime is 2748754583. The next prime is 2748754637. The reversal of 2748754621 is 1264578472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1698346521 + 1050408100 = 41211^2 + 32410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748754621 - 2⁹ = 2748754109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748754121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374377310 + 1374377311.

It is an arithmetic number, because the mean of its divisors is an integer number (1374377311).

Almost surely, 2^2748754621 is an apocalyptic number.

It is an amenable number.

2748754621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748754621 is an equidigital number, since it uses as much as digits as its factorization.

2748754621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 46.

The square root of 2748754621 is about 52428.5668409885. The cubic root of 2748754621 is about 1400.8081424280.

The spelling of 2748754621 in words is "two billion, seven hundred forty-eight million, seven hundred fifty-four thousand, six hundred twenty-one".