2140660411 has 2 divisors, whose sum is σ = 2140660412. Its totient is φ = 2140660410.

The previous prime is 2140660381. The next prime is 2140660421. The reversal of 2140660411 is 1140660412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140660411 - 2⁷ = 2140660283 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140660421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070330205 + 1070330206.

It is an arithmetic number, because the mean of its divisors is an integer number (1070330206).

Almost surely, 2^2140660411 is an apocalyptic number.

2140660411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140660411 is an equidigital number, since it uses as much as digits as its factorization.

2140660411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2140660411 is about 46267.2714886020. The cubic root of 2140660411 is about 1288.7912903425.

Subtracting from 2140660411 its reverse (1140660412), we obtain a palindrome (999999999).

The spelling of 2140660411 in words is "two billion, one hundred forty million, six hundred sixty thousand, four hundred eleven".