368502009 has 4 divisors (see below), whose sum is σ = 491336016. Its totient is φ = 245668004.

The previous prime is 368501963. The next prime is 368502011. The reversal of 368502009 is 900205863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900205863 = 3 ⋅300068621.

It is a cyclic number.

It is not a de Polignac number, because 368502009 - 2¹⁶ = 368436473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (368502059) 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 in 3 ways as a sum of consecutive naturals, for example, 61416999 + ... + 61417004.

It is an arithmetic number, because the mean of its divisors is an integer number (122834004).

Almost surely, 2^368502009 is an apocalyptic number.

It is an amenable number.

368502009 is a deficient number, since it is larger than the sum of its proper divisors (122834007).

368502009 is a wasteful number, since it uses less digits than its factorization.

368502009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122834006.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 368502009 is about 19196.4061480268. The cubic root of 368502009 is about 716.9352816282.

The spelling of 368502009 in words is "three hundred sixty-eight million, five hundred two thousand, nine".