218936416034983 has 4 divisors (see below), whose sum is σ = 218936579420728. Its totient is φ = 218936252649240.

The previous prime is 218936416034933. The next prime is 218936416035137. The reversal of 218936416034983 is 389430614639812.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 218936416034983 - 2²¹ = 218936413937831 is a prime.

It is a super-2 number, since 2×218936416034983² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218936416034933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79666116 + ... + 82368457.

It is an arithmetic number, because the mean of its divisors is an integer number (54734144855182).

Almost surely, 2^{218936416034983} is an apocalyptic number.

218936416034983 is a deficient number, since it is larger than the sum of its proper divisors (163385745).

218936416034983 is a wasteful number, since it uses less digits than its factorization.

218936416034983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163385744.

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 218936416034983 in words is "two hundred eighteen trillion, nine hundred thirty-six billion, four hundred sixteen million, thirty-four thousand, nine hundred eighty-three".