2115285439 has 2 divisors, whose sum is σ = 2115285440. Its totient is φ = 2115285438.

The previous prime is 2115285397. The next prime is 2115285467. The reversal of 2115285439 is 9345825112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2115285439 - 2¹⁷ = 2115154367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115285539) 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, 1057642719 + 1057642720.

It is an arithmetic number, because the mean of its divisors is an integer number (1057642720).

Almost surely, 2^2115285439 is an apocalyptic number.

2115285439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115285439 is an equidigital number, since it uses as much as digits as its factorization.

2115285439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 2115285439 is about 45992.2323767829. The cubic root of 2115285439 is about 1283.6786750976.

The spelling of 2115285439 in words is "two billion, one hundred fifteen million, two hundred eighty-five thousand, four hundred thirty-nine".