238213647593 has 4 divisors (see below), whose sum is σ = 238332816000. Its totient is φ = 238094479188.

The previous prime is 238213647583. The next prime is 238213647643. The reversal of 238213647593 is 395746312832.

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 238213647593 - 2⁴ = 238213647577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238213647583) 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, 59581205 + ... + 59585202.

It is an arithmetic number, because the mean of its divisors is an integer number (59583204000).

Almost surely, 2^238213647593 is an apocalyptic number.

It is an amenable number.

238213647593 is a deficient number, since it is larger than the sum of its proper divisors (119168407).

238213647593 is a wasteful number, since it uses less digits than its factorization.

238213647593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119168406.

The product of its digits is 6531840, while the sum is 53.

The spelling of 238213647593 in words is "two hundred thirty-eight billion, two hundred thirteen million, six hundred forty-seven thousand, five hundred ninety-three".