368081999 has 2 divisors, whose sum is σ = 368082000. Its totient is φ = 368081998.

The previous prime is 368081993. The next prime is 368082023. The reversal of 368081999 is 999180863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 368081999 - 2¹⁶ = 368016463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 368081999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368081993) 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, 184040999 + 184041000.

It is an arithmetic number, because the mean of its divisors is an integer number (184041000).

Almost surely, 2^368081999 is an apocalyptic number.

368081999 is a deficient number, since it is larger than the sum of its proper divisors (1).

368081999 is an equidigital number, since it uses as much as digits as its factorization.

368081999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 368081999 is about 19185.4632208868. The cubic root of 368081999 is about 716.6627960370.

The spelling of 368081999 in words is "three hundred sixty-eight million, eighty-one thousand, nine hundred ninety-nine".