238338864769 has 2 divisors, whose sum is σ = 238338864770. Its totient is φ = 238338864768.

The previous prime is 238338864733. The next prime is 238338864793. The reversal of 238338864769 is 967468833832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178580617744 + 59758247025 = 422588^2 + 244455^2 .

It is a cyclic number.

It is not a de Polignac number, because 238338864769 - 2¹¹ = 238338862721 is a prime.

It is a super-2 number, since 2×238338864769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238338865769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119169432384 + 119169432385.

It is an arithmetic number, because the mean of its divisors is an integer number (119169432385).

Almost surely, 2^238338864769 is an apocalyptic number.

It is an amenable number.

238338864769 is a deficient number, since it is larger than the sum of its proper divisors (1).

238338864769 is an equidigital number, since it uses as much as digits as its factorization.

238338864769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250822656, while the sum is 67.

The spelling of 238338864769 in words is "two hundred thirty-eight billion, three hundred thirty-eight million, eight hundred sixty-four thousand, seven hundred sixty-nine".