368806957609 has 4 divisors (see below), whose sum is σ = 377802249300. Its totient is φ = 359811665920.

The previous prime is 368806957577. The next prime is 368806957661. The reversal of 368806957609 is 906759608863.

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 109468339600 + 259338618009 = 330860^2 + 509253^2 .

It is a cyclic number.

It is not a de Polignac number, because 368806957609 - 2⁵ = 368806957577 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (368806967609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497645784 + ... + 4497645865.

It is an arithmetic number, because the mean of its divisors is an integer number (94450562325).

Almost surely, 2^368806957609 is an apocalyptic number.

It is an amenable number.

368806957609 is a deficient number, since it is larger than the sum of its proper divisors (8995291691).

368806957609 is an equidigital number, since it uses as much as digits as its factorization.

368806957609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995291690.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 368806957609 in words is "three hundred sixty-eight billion, eight hundred six million, nine hundred fifty-seven thousand, six hundred nine".