238287775264433 has 2 divisors, whose sum is σ = 238287775264434. Its totient is φ = 238287775264432.

The previous prime is 238287775264321. The next prime is 238287775264601. The reversal of 238287775264433 is 334462577782832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222159382720144 + 16128392544289 = 14905012^2 + 4016017^2 .

It is a cyclic number.

It is not a de Polignac number, because 238287775264433 - 2¹⁶ = 238287775198897 is a prime.

It is a super-2 number, since 2×238287775264433² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238287775254433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119143887632216 + 119143887632217.

It is an arithmetic number, because the mean of its divisors is an integer number (119143887632217).

Almost surely, 2^{238287775264433} is an apocalyptic number.

It is an amenable number.

238287775264433 is a deficient number, since it is larger than the sum of its proper divisors (1).

238287775264433 is an equidigital number, since it uses as much as digits as its factorization.

238287775264433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2275983360, while the sum is 71.

The spelling of 238287775264433 in words is "two hundred thirty-eight trillion, two hundred eighty-seven billion, seven hundred seventy-five million, two hundred sixty-four thousand, four hundred thirty-three".