2118049541029 has 2 divisors, whose sum is σ = 2118049541030. Its totient is φ = 2118049541028.

The previous prime is 2118049541009. The next prime is 2118049541077. The reversal of 2118049541029 is 9201459408112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1951544738529 + 166504802500 = 1396977^2 + 408050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2118049541029 - 2¹⁵ = 2118049508261 is a prime.

It is a super-2 number, since 2×2118049541029² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2118049541029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118049541009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059024770514 + 1059024770515.

It is an arithmetic number, because the mean of its divisors is an integer number (1059024770515).

Almost surely, 2^{2118049541029} is an apocalyptic number.

It is an amenable number.

2118049541029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118049541029 is an equidigital number, since it uses as much as digits as its factorization.

2118049541029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 2118049541029 in words is "two trillion, one hundred eighteen billion, forty-nine million, five hundred forty-one thousand, twenty-nine".