655464521213 has 8 divisors (see below), whose sum is σ = 656737376256. Its totient is φ = 654192630000.

The previous prime is 655464521207. The next prime is 655464521219. The reversal of 655464521213 is 312125464556.

It is an interprime number because it is at equal distance from previous prime (655464521207) and next prime (655464521219).

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 655464521213 - 2⁸ = 655464520957 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 (655464521219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128020 + ... + 1607282.

It is an arithmetic number, because the mean of its divisors is an integer number (82092172032).

Almost surely, 2^655464521213 is an apocalyptic number.

It is an amenable number.

655464521213 is a deficient number, since it is larger than the sum of its proper divisors (1272855043).

655464521213 is a wasteful number, since it uses less digits than its factorization.

655464521213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481915.

The product of its digits is 864000, while the sum is 44.

Adding to 655464521213 its reverse (312125464556), we get a palindrome (967589985769).

The spelling of 655464521213 in words is "six hundred fifty-five billion, four hundred sixty-four million, five hundred twenty-one thousand, two hundred thirteen".