238356352193 has 2 divisors, whose sum is σ = 238356352194. Its totient is φ = 238356352192.

The previous prime is 238356352189. The next prime is 238356352253. The reversal of 238356352193 is 391253653832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160050403969 + 78305948224 = 400063^2 + 279832^2 .

It is a cyclic number.

It is not a de Polignac number, because 238356352193 - 2² = 238356352189 is a prime.

It is not a weakly prime, because it can be changed into another prime (238356352133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119178176096 + 119178176097.

It is an arithmetic number, because the mean of its divisors is an integer number (119178176097).

Almost surely, 2^238356352193 is an apocalyptic number.

It is an amenable number.

238356352193 is a deficient number, since it is larger than the sum of its proper divisors (1).

238356352193 is an equidigital number, since it uses as much as digits as its factorization.

238356352193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 50.

The spelling of 238356352193 in words is "two hundred thirty-eight billion, three hundred fifty-six million, three hundred fifty-two thousand, one hundred ninety-three".