218836850373 has 24 divisors (see below), whose sum is σ = 334853760800. Its totient is φ = 137332394784.

The previous prime is 218836850371. The next prime is 218836850399. The reversal of 218836850373 is 373058638812.

218836850373 is a `hidden beast` number, since 2 + 1 + 8 + 8 + 3 + 68 + 503 + 73 = 666.

It is not a de Polignac number, because 218836850373 - 2¹ = 218836850371 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218836850371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4048783 + ... + 4102476.

Almost surely, 2^218836850373 is an apocalyptic number.

It is an amenable number.

218836850373 is a deficient number, since it is larger than the sum of its proper divisors (116016910427).

218836850373 is a wasteful number, since it uses less digits than its factorization.

218836850373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151441 (or 8151438 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 218836850373 in words is "two hundred eighteen billion, eight hundred thirty-six million, eight hundred fifty thousand, three hundred seventy-three".