2115302443 has 2 divisors, whose sum is σ = 2115302444. Its totient is φ = 2115302442.

The previous prime is 2115302437. The next prime is 2115302459. The reversal of 2115302443 is 3442035112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2115302443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2115302473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057651221 + 1057651222.

It is an arithmetic number, because the mean of its divisors is an integer number (1057651222).

Almost surely, 2^2115302443 is an apocalyptic number.

2115302443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115302443 is an equidigital number, since it uses as much as digits as its factorization.

2115302443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2115302443 is about 45992.4172337136. The cubic root of 2115302443 is about 1283.6821147617.

Adding to 2115302443 its reverse (3442035112), we get a palindrome (5557337555).

The spelling of 2115302443 in words is "two billion, one hundred fifteen million, three hundred two thousand, four hundred forty-three".