368687947689769 has 2 divisors, whose sum is σ = 368687947689770. Its totient is φ = 368687947689768.

The previous prime is 368687947689767. The next prime is 368687947689779. The reversal of 368687947689769 is 967986749786863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368593921440000 + 94026249769 = 19198800^2 + 306637^2 .

It is an emirp because it is prime and its reverse (967986749786863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 368687947689769 - 2¹ = 368687947689767 is a prime.

It is a super-2 number, since 2×368687947689769² (a number of 30 digits) contains 22 as substring.

Together with 368687947689767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (368687947689767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184343973844884 + 184343973844885.

It is an arithmetic number, because the mean of its divisors is an integer number (184343973844885).

Almost surely, 2^{368687947689769} is an apocalyptic number.

It is an amenable number.

368687947689769 is a deficient number, since it is larger than the sum of its proper divisors (1).

368687947689769 is an equidigital number, since it uses as much as digits as its factorization.

368687947689769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1991030243328, while the sum is 103.

The spelling of 368687947689769 in words is "three hundred sixty-eight trillion, six hundred eighty-seven billion, nine hundred forty-seven million, six hundred eighty-nine thousand, seven hundred sixty-nine".