2748188461 has 2 divisors, whose sum is σ = 2748188462. Its totient is φ = 2748188460.

The previous prime is 2748188453. The next prime is 2748188473. The reversal of 2748188461 is 1648818472.

2748188461 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., 1912400361 + 835788100 = 43731^2 + 28910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748188461 - 2³ = 2748188453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748186461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374094230 + 1374094231.

It is an arithmetic number, because the mean of its divisors is an integer number (1374094231).

Almost surely, 2^2748188461 is an apocalyptic number.

It is an amenable number.

2748188461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748188461 is an equidigital number, since it uses as much as digits as its factorization.

2748188461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 49.

The square root of 2748188461 is about 52423.1672164130. The cubic root of 2748188461 is about 1400.7119611746.

The spelling of 2748188461 in words is "two billion, seven hundred forty-eight million, one hundred eighty-eight thousand, four hundred sixty-one".