2118000949 has 2 divisors, whose sum is σ = 2118000950. Its totient is φ = 2118000948.

The previous prime is 2118000883. The next prime is 2118000961. The reversal of 2118000949 is 9490008112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147989924 + 970011025 = 33882^2 + 31145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2118000949 - 2²⁹ = 1581130037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2118000749) 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, 1059000474 + 1059000475.

It is an arithmetic number, because the mean of its divisors is an integer number (1059000475).

Almost surely, 2^2118000949 is an apocalyptic number.

It is an amenable number.

2118000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2118000949 is an equidigital number, since it uses as much as digits as its factorization.

2118000949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 2118000949 is about 46021.7443063602. The cubic root of 2118000949 is about 1284.2277501966.

The spelling of 2118000949 in words is "two billion, one hundred eighteen million, nine hundred forty-nine", and thus it is an aban number.