655464344573 has 8 divisors (see below), whose sum is σ = 671134547328. Its totient is φ = 639967293504.

The previous prime is 655464344551. The next prime is 655464344597. The reversal of 655464344573 is 375443464556.

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 655464344573 - 2²⁰ = 655463295997 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 (655464344173) 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, 43280261 + ... + 43295402.

It is an arithmetic number, because the mean of its divisors is an integer number (83891818416).

Almost surely, 2^655464344573 is an apocalyptic number.

It is an amenable number.

655464344573 is a deficient number, since it is larger than the sum of its proper divisors (15670202755).

655464344573 is a wasteful number, since it uses less digits than its factorization.

655464344573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86575843.

The product of its digits is 72576000, while the sum is 56.

The spelling of 655464344573 in words is "six hundred fifty-five billion, four hundred sixty-four million, three hundred forty-four thousand, five hundred seventy-three".