368687949785839 has 2 divisors, whose sum is σ = 368687949785840. Its totient is φ = 368687949785838.

The previous prime is 368687949785833. The next prime is 368687949785849. The reversal of 368687949785839 is 938587949786863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 368687949785839 - 2¹⁷ = 368687949654767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368687949785833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184343974892919 + 184343974892920.

It is an arithmetic number, because the mean of its divisors is an integer number (184343974892920).

Almost surely, 2^{368687949785839} is an apocalyptic number.

368687949785839 is a deficient number, since it is larger than the sum of its proper divisors (1).

368687949785839 is an equidigital number, since it uses as much as digits as its factorization.

368687949785839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 948109639680, while the sum is 100.

The spelling of 368687949785839 in words is "three hundred sixty-eight trillion, six hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-five thousand, eight hundred thirty-nine".