368213399 has 2 divisors, whose sum is σ = 368213400. Its totient is φ = 368213398.

The previous prime is 368213383. The next prime is 368213411. The reversal of 368213399 is 993312863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 368213399 - 2⁴ = 368213383 is a prime.

It is a super-2 number, since 2×368213399² = 271162214406266402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368213309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184106699 + 184106700.

It is an arithmetic number, because the mean of its divisors is an integer number (184106700).

Almost surely, 2^368213399 is an apocalyptic number.

368213399 is a deficient number, since it is larger than the sum of its proper divisors (1).

368213399 is an equidigital number, since it uses as much as digits as its factorization.

368213399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 368213399 is about 19188.8873830663. The cubic root of 368213399 is about 716.7480653413.

The spelling of 368213399 in words is "three hundred sixty-eight million, two hundred thirteen thousand, three hundred ninety-nine".