368564549009 has 4 divisors (see below), whose sum is σ = 369360585216. Its totient is φ = 367768512804.

The previous prime is 368564548997. The next prime is 368564549029. The reversal of 368564549009 is 900945465863.

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: 900945465863 = 288527 ⋅3122569.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368564549009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (368564549029) 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 in 3 ways as a sum of consecutive naturals, for example, 398017409 + ... + 398018334.

It is an arithmetic number, because the mean of its divisors is an integer number (92340146304).

Almost surely, 2^368564549009 is an apocalyptic number.

It is an amenable number.

368564549009 is a deficient number, since it is larger than the sum of its proper divisors (796036207).

368564549009 is an equidigital number, since it uses as much as digits as its factorization.

368564549009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796036206.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 368564549009 in words is "three hundred sixty-eight billion, five hundred sixty-four million, five hundred forty-nine thousand, nine".