2106437239 has 2 divisors, whose sum is σ = 2106437240. Its totient is φ = 2106437238.

The previous prime is 2106437233. The next prime is 2106437297. The reversal of 2106437239 is 9327346012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2106437239 - 2⁹ = 2106436727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2106437198 and 2106437207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106437233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053218619 + 1053218620.

It is an arithmetic number, because the mean of its divisors is an integer number (1053218620).

Almost surely, 2^2106437239 is an apocalyptic number.

2106437239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106437239 is an equidigital number, since it uses as much as digits as its factorization.

2106437239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 2106437239 is about 45895.9392430311. The cubic root of 2106437239 is about 1281.8863055415.

The spelling of 2106437239 in words is "two billion, one hundred six million, four hundred thirty-seven thousand, two hundred thirty-nine".