2113311439 has 2 divisors, whose sum is σ = 2113311440. Its totient is φ = 2113311438.

The previous prime is 2113311433. The next prime is 2113311451. The reversal of 2113311439 is 9341133112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113311439 - 2²⁵ = 2079757007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113311433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056655719 + 1056655720.

It is an arithmetic number, because the mean of its divisors is an integer number (1056655720).

Almost surely, 2^2113311439 is an apocalyptic number.

2113311439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113311439 is an equidigital number, since it uses as much as digits as its factorization.

2113311439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 2113311439 is about 45970.7672222250. The cubic root of 2113311439 is about 1283.2792380114.

The spelling of 2113311439 in words is "two billion, one hundred thirteen million, three hundred eleven thousand, four hundred thirty-nine".