655339200817 has 4 divisors (see below), whose sum is σ = 748959086656. Its totient is φ = 561719314980.

The previous prime is 655339200799. The next prime is 655339200829. The reversal of 655339200817 is 718002933556.

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.

It is a cyclic number.

It is not a de Polignac number, because 655339200817 - 2²⁷ = 655204983089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655339201817) 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, 46809942909 + ... + 46809942922.

It is an arithmetic number, because the mean of its divisors is an integer number (187239771664).

Almost surely, 2^655339200817 is an apocalyptic number.

It is an amenable number.

655339200817 is a deficient number, since it is larger than the sum of its proper divisors (93619885839).

655339200817 is an equidigital number, since it uses as much as digits as its factorization.

655339200817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93619885838.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 655339200817 in words is "six hundred fifty-five billion, three hundred thirty-nine million, two hundred thousand, eight hundred seventeen".