2111733979 has 2 divisors, whose sum is σ = 2111733980. Its totient is φ = 2111733978.

The previous prime is 2111733947. The next prime is 2111733989. The reversal of 2111733979 is 9793371112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111733979 - 2⁵ = 2111733947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111733989) 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, 1055866989 + 1055866990.

It is an arithmetic number, because the mean of its divisors is an integer number (1055866990).

Almost surely, 2^2111733979 is an apocalyptic number.

2111733979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111733979 is an equidigital number, since it uses as much as digits as its factorization.

2111733979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71442, while the sum is 43.

The square root of 2111733979 is about 45953.6068116530. The cubic root of 2111733979 is about 1282.9598615869.

The spelling of 2111733979 in words is "two billion, one hundred eleven million, seven hundred thirty-three thousand, nine hundred seventy-nine".