655174270193 has 4 divisors (see below), whose sum is σ = 656633456100. Its totient is φ = 653715084288.

The previous prime is 655174270151. The next prime is 655174270211. The reversal of 655174270193 is 391072471556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 437063787664 + 218110482529 = 661108^2 + 467023^2 .

It is a cyclic number.

It is not a de Polignac number, because 655174270193 - 2²⁰ = 655173221617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655174270103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729592280 + ... + 729593177.

It is an arithmetic number, because the mean of its divisors is an integer number (164158364025).

Almost surely, 2^655174270193 is an apocalyptic number.

It is an amenable number.

655174270193 is a deficient number, since it is larger than the sum of its proper divisors (1459185907).

655174270193 is a wasteful number, since it uses less digits than its factorization.

655174270193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459185906.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 655174270193 in words is "six hundred fifty-five billion, one hundred seventy-four million, two hundred seventy thousand, one hundred ninety-three".