238952290189 has 2 divisors, whose sum is σ = 238952290190. Its totient is φ = 238952290188.

The previous prime is 238952290169. The next prime is 238952290223. The reversal of 238952290189 is 981092259832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134391894025 + 104560396164 = 366595^2 + 323358^2 .

It is a cyclic number.

It is not a de Polignac number, because 238952290189 - 2¹⁵ = 238952257421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238952290169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119476145094 + 119476145095.

It is an arithmetic number, because the mean of its divisors is an integer number (119476145095).

Almost surely, 2^238952290189 is an apocalyptic number.

It is an amenable number.

238952290189 is a deficient number, since it is larger than the sum of its proper divisors (1).

238952290189 is an equidigital number, since it uses as much as digits as its factorization.

238952290189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 238952290189 in words is "two hundred thirty-eight billion, nine hundred fifty-two million, two hundred ninety thousand, one hundred eighty-nine".