655344477171041 has 4 divisors (see below), whose sum is σ = 748965116766912. Its totient is φ = 561723837575172.

The previous prime is 655344477171029. The next prime is 655344477171049. The reversal of 655344477171041 is 140171774443556.

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 655344477171041 - 2¹⁰ = 655344477170017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655344477171049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46810319797925 + ... + 46810319797938.

It is an arithmetic number, because the mean of its divisors is an integer number (187241279191728).

Almost surely, 2^{655344477171041} is an apocalyptic number.

It is an amenable number.

655344477171041 is a deficient number, since it is larger than the sum of its proper divisors (93620639595871).

655344477171041 is an equidigital number, since it uses as much as digits as its factorization.

655344477171041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93620639595870.

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 655344477171041 in words is "six hundred fifty-five trillion, three hundred forty-four billion, four hundred seventy-seven million, one hundred seventy-one thousand, forty-one".