655452213265 has 8 divisors (see below), whose sum is σ = 832809871080. Its totient is φ = 493516960512.

The previous prime is 655452213139. The next prime is 655452213293. The reversal of 655452213265 is 562312254556.

It can be written as a sum of positive squares in 4 ways, for example, as 89913620736 + 565538592529 = 299856^2 + 752023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655452213265 - 2¹¹ = 655452211217 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3855601170 + ... + 3855601339.

It is an arithmetic number, because the mean of its divisors is an integer number (104101233885).

Almost surely, 2^655452213265 is an apocalyptic number.

It is an amenable number.

655452213265 is a deficient number, since it is larger than the sum of its proper divisors (177357657815).

655452213265 is a wasteful number, since it uses less digits than its factorization.

655452213265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711202531.

The product of its digits is 2160000, while the sum is 46.

The spelling of 655452213265 in words is "six hundred fifty-five billion, four hundred fifty-two million, two hundred thirteen thousand, two hundred sixty-five".