2660544043 has 2 divisors, whose sum is σ = 2660544044. Its totient is φ = 2660544042.

The previous prime is 2660544023. The next prime is 2660544077. The reversal of 2660544043 is 3404450662.

It is an a-pointer prime, because the next prime (2660544077) can be obtained adding 2660544043 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2660544043 - 2⁵ = 2660544011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2660544023) 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, 1330272021 + 1330272022.

It is an arithmetic number, because the mean of its divisors is an integer number (1330272022).

Almost surely, 2^2660544043 is an apocalyptic number.

2660544043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660544043 is an equidigital number, since it uses as much as digits as its factorization.

2660544043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2660544043 is about 51580.4618339154. The cubic root of 2660544043 is about 1385.6604378860.

The spelling of 2660544043 in words is "two billion, six hundred sixty million, five hundred forty-four thousand, forty-three".