368136893 has 2 divisors, whose sum is σ = 368136894. Its totient is φ = 368136892.

The previous prime is 368136869. The next prime is 368136911. The reversal of 368136893 is 398631863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357134404 + 11002489 = 18898^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 368136893 - 2⁶ = 368136829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368136863) 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, 184068446 + 184068447.

It is an arithmetic number, because the mean of its divisors is an integer number (184068447).

Almost surely, 2^368136893 is an apocalyptic number.

It is an amenable number.

368136893 is a deficient number, since it is larger than the sum of its proper divisors (1).

368136893 is an equidigital number, since it uses as much as digits as its factorization.

368136893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 368136893 is about 19186.8937819544. The cubic root of 368136893 is about 716.6984208273.

The spelling of 368136893 in words is "three hundred sixty-eight million, one hundred thirty-six thousand, eight hundred ninety-three".