2660411543 has 2 divisors, whose sum is σ = 2660411544. Its totient is φ = 2660411542.

The previous prime is 2660411527. The next prime is 2660411561. The reversal of 2660411543 is 3451140662.

2660411543 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 is a cyclic number.

It is not a de Polignac number, because 2660411543 - 2⁴ = 2660411527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660411573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330205771 + 1330205772.

It is an arithmetic number, because the mean of its divisors is an integer number (1330205772).

Almost surely, 2^2660411543 is an apocalyptic number.

2660411543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660411543 is an equidigital number, since it uses as much as digits as its factorization.

2660411543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2660411543 is about 51579.1774168608. The cubic root of 2660411543 is about 1385.6374346890.

The spelling of 2660411543 in words is "two billion, six hundred sixty million, four hundred eleven thousand, five hundred forty-three".