238221349993 has 8 divisors (see below), whose sum is σ = 260042023296. Its totient is φ = 216428041200.

The previous prime is 238221349969. The next prime is 238221350099. The reversal of 238221349993 is 399943122832.

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

It is a cyclic number.

It is not a de Polignac number, because 238221349993 - 2²¹ = 238219252841 is a prime.

It is a super-2 number, since 2×238221349993² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238221349913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6822918 + ... + 6857743.

It is an arithmetic number, because the mean of its divisors is an integer number (32505252912).

Almost surely, 2^238221349993 is an apocalyptic number.

It is an amenable number.

238221349993 is a deficient number, since it is larger than the sum of its proper divisors (21820673303).

238221349993 is a wasteful number, since it uses less digits than its factorization.

238221349993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682255.

The product of its digits is 5038848, while the sum is 55.

The spelling of 238221349993 in words is "two hundred thirty-eight billion, two hundred twenty-one million, three hundred forty-nine thousand, nine hundred ninety-three".