221893624713 has 8 divisors (see below), whose sum is σ = 311429648800. Its totient is φ = 140143341888.

The previous prime is 221893624699. The next prime is 221893624717. The reversal of 221893624713 is 317426398122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221893624713 - 2¹⁰ = 221893623689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221893624717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946435248 + ... + 1946435361.

It is an arithmetic number, because the mean of its divisors is an integer number (38928706100).

Almost surely, 2^221893624713 is an apocalyptic number.

It is an amenable number.

221893624713 is a deficient number, since it is larger than the sum of its proper divisors (89536024087).

221893624713 is a wasteful number, since it uses less digits than its factorization.

221893624713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892870631.

The product of its digits is 870912, while the sum is 48.

The spelling of 221893624713 in words is "two hundred twenty-one billion, eight hundred ninety-three million, six hundred twenty-four thousand, seven hundred thirteen".