236844942401 has 2 divisors, whose sum is σ = 236844942402. Its totient is φ = 236844942400.

The previous prime is 236844942349. The next prime is 236844942403. The reversal of 236844942401 is 104249448632.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122465702401 + 114379240000 = 349951^2 + 338200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-236844942401 is a prime.

It is a super-3 number, since 3×236844942401³ (a number of 35 digits) contains 333 as substring.

Together with 236844942403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (236844942403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118422471200 + 118422471201.

It is an arithmetic number, because the mean of its divisors is an integer number (118422471201).

Almost surely, 2^236844942401 is an apocalyptic number.

It is an amenable number.

236844942401 is a deficient number, since it is larger than the sum of its proper divisors (1).

236844942401 is an equidigital number, since it uses as much as digits as its factorization.

236844942401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 236844942401 in words is "two hundred thirty-six billion, eight hundred forty-four million, nine hundred forty-two thousand, four hundred one".