368600105509 has 4 divisors (see below), whose sum is σ = 368932478220. Its totient is φ = 368267732800.

The previous prime is 368600105479. The next prime is 368600105513. The reversal of 368600105509 is 905501006863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43810676100 + 324789429409 = 209310^2 + 569903^2 .

It is a cyclic number.

It is not a de Polignac number, because 368600105509 - 2⁵ = 368600105477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368600105009) 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, 166184692 + ... + 166186909.

It is an arithmetic number, because the mean of its divisors is an integer number (92233119555).

Almost surely, 2^368600105509 is an apocalyptic number.

It is an amenable number.

368600105509 is a deficient number, since it is larger than the sum of its proper divisors (332372711).

368600105509 is a wasteful number, since it uses less digits than its factorization.

368600105509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332372710.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 368600105509 in words is "three hundred sixty-eight billion, six hundred million, one hundred five thousand, five hundred nine".