221683000893 has 4 divisors (see below), whose sum is σ = 295577334528. Its totient is φ = 147788667260.

The previous prime is 221683000879. The next prime is 221683000927. The reversal of 221683000893 is 398000386122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221683000893 - 2³⁴ = 204503131709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221683005893) 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, 36947166813 + ... + 36947166818.

It is an arithmetic number, because the mean of its divisors is an integer number (73894333632).

Almost surely, 2^221683000893 is an apocalyptic number.

It is an amenable number.

221683000893 is a deficient number, since it is larger than the sum of its proper divisors (73894333635).

221683000893 is an equidigital number, since it uses as much as digits as its factorization.

221683000893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73894333634.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 221683000893 in words is "two hundred twenty-one billion, six hundred eighty-three million, eight hundred ninety-three", and thus it is an aban number.