2118995339 has 2 divisors, whose sum is σ = 2118995340. Its totient is φ = 2118995338.

The previous prime is 2118995321. The next prime is 2118995401. The reversal of 2118995339 is 9335998112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2118995339 - 2²⁴ = 2102218123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2118995239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059497669 + 1059497670.

It is an arithmetic number, because the mean of its divisors is an integer number (1059497670).

Almost surely, 2^2118995339 is an apocalyptic number.

2118995339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118995339 is an equidigital number, since it uses as much as digits as its factorization.

2118995339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 2118995339 is about 46032.5465187404. The cubic root of 2118995339 is about 1284.4286980815.

The spelling of 2118995339 in words is "two billion, one hundred eighteen million, nine hundred ninety-five thousand, three hundred thirty-nine".