218314961073 has 40 divisors (see below), whose sum is σ = 359097662880. Its totient is φ = 131075478720.

The previous prime is 218314961063. The next prime is 218314961141. The reversal of 218314961073 is 370169413812.

218314961073 is a `hidden beast` number, since 2 + 1 + 83 + 1 + 496 + 10 + 73 = 666.

218314961073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 218314961073 - 2⁴ = 218314961057 is a prime.

It is a super-2 number, since 2×218314961073² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (218314961063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1049628 + ... + 1240301.

It is an arithmetic number, because the mean of its divisors is an integer number (8977441572).

Almost surely, 2^218314961073 is an apocalyptic number.

It is an amenable number.

218314961073 is a deficient number, since it is larger than the sum of its proper divisors (140782701807).

218314961073 is a wasteful number, since it uses less digits than its factorization.

218314961073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290059 (or 2290050 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 218314961073 in words is "two hundred eighteen billion, three hundred fourteen million, nine hundred sixty-one thousand, seventy-three".