2118627907 has 16 divisors (see below), whose sum is σ = 2448662400. Its totient is φ = 1811635840.

The previous prime is 2118627899. The next prime is 2118627937. The reversal of 2118627907 is 7097268112.

It is a cyclic number.

It is not a de Polignac number, because 2118627907 - 2³ = 2118627899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118627937) 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 in 15 ways as a sum of consecutive naturals, for example, 525144 + ... + 529162.

It is an arithmetic number, because the mean of its divisors is an integer number (153041400).

Almost surely, 2^2118627907 is an apocalyptic number.

2118627907 is a deficient number, since it is larger than the sum of its proper divisors (330034493).

2118627907 is a wasteful number, since it uses less digits than its factorization.

2118627907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 2118627907 is about 46028.5553433953. Note that the first 3 decimals coincide. The cubic root of 2118627907 is about 1284.3544541733.

The spelling of 2118627907 in words is "two billion, one hundred eighteen million, six hundred twenty-seven thousand, nine hundred seven".