223216289639 has 4 divisors (see below), whose sum is σ = 255104331024. Its totient is φ = 191328248256.

The previous prime is 223216289623. The next prime is 223216289651. The reversal of 223216289639 is 936982612322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936982612322 = 2 ⋅468491306161.

It is a cyclic number.

It is not a de Polignac number, because 223216289639 - 2⁴ = 223216289623 is a prime.

It is a super-3 number, since 3×223216289639³ (a number of 35 digits) contains 333 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 (223216286639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15944020682 + ... + 15944020695.

It is an arithmetic number, because the mean of its divisors is an integer number (63776082756).

Almost surely, 2^223216289639 is an apocalyptic number.

223216289639 is a deficient number, since it is larger than the sum of its proper divisors (31888041385).

223216289639 is an equidigital number, since it uses as much as digits as its factorization.

223216289639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31888041384.

The product of its digits is 3359232, while the sum is 53.

The spelling of 223216289639 in words is "two hundred twenty-three billion, two hundred sixteen million, two hundred eighty-nine thousand, six hundred thirty-nine".