2118539341 has 2 divisors, whose sum is σ = 2118539342. Its totient is φ = 2118539340.

The previous prime is 2118539327. The next prime is 2118539363. The reversal of 2118539341 is 1439358112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2038883716 + 79655625 = 45154^2 + 8925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2118539341 - 2²¹ = 2116442189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2118539341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118539041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059269670 + 1059269671.

It is an arithmetic number, because the mean of its divisors is an integer number (1059269671).

Almost surely, 2^2118539341 is an apocalyptic number.

It is an amenable number.

2118539341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118539341 is an equidigital number, since it uses as much as digits as its factorization.

2118539341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 2118539341 is about 46027.5932566542. The cubic root of 2118539341 is about 1284.3365570993.

The spelling of 2118539341 in words is "two billion, one hundred eighteen million, five hundred thirty-nine thousand, three hundred forty-one".