236828852969 has 2 divisors, whose sum is σ = 236828852970. Its totient is φ = 236828852968.

The previous prime is 236828852879. The next prime is 236828852971. The reversal of 236828852969 is 969258828632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218761998400 + 18066854569 = 467720^2 + 134413^2 .

It is a cyclic number.

It is not a de Polignac number, because 236828852969 - 2²⁰ = 236827804393 is a prime.

It is a super-2 number, since 2×236828852969² (a number of 24 digits) contains 22 as substring.

Together with 236828852971, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 236828852899 and 236828852908.

It is not a weakly prime, because it can be changed into another prime (236828852069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118414426484 + 118414426485.

It is an arithmetic number, because the mean of its divisors is an integer number (118414426485).

Almost surely, 2^236828852969 is an apocalyptic number.

It is an amenable number.

236828852969 is a deficient number, since it is larger than the sum of its proper divisors (1).

236828852969 is an equidigital number, since it uses as much as digits as its factorization.

236828852969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179159040, while the sum is 68.

The spelling of 236828852969 in words is "two hundred thirty-six billion, eight hundred twenty-eight million, eight hundred fifty-two thousand, nine hundred sixty-nine".