368687947689797 has 2 divisors, whose sum is σ = 368687947689798. Its totient is φ = 368687947689796.

The previous prime is 368687947689779. The next prime is 368687947689821. The reversal of 368687947689797 is 797986749786863.

Together with previous prime (368687947689779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368185253927716 + 502693762081 = 19188154^2 + 709009^2 .

It is a cyclic number.

It is not a de Polignac number, because 368687947689797 - 2¹⁶ = 368687947624261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 368687947689797.

It is a congruent number.

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, 184343973844898 + 184343973844899.

It is an arithmetic number, because the mean of its divisors is an integer number (184343973844899).

Almost surely, 2^{368687947689797} is an apocalyptic number.

It is an amenable number.

368687947689797 is a deficient number, since it is larger than the sum of its proper divisors (1).

368687947689797 is an equidigital number, since it uses as much as digits as its factorization.

368687947689797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322868617216, while the sum is 104.

The spelling of 368687947689797 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 ninety-seven".