617475144217 has 8 divisors (see below), whose sum is σ = 622313539200. Its totient is φ = 612641550624.

The previous prime is 617475144199. The next prime is 617475144283. The reversal of 617475144217 is 712441574716.

It is a happy number.

617475144217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-617475144217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617475144617) 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, 941917 + ... + 1456762.

It is an arithmetic number, because the mean of its divisors is an integer number (77789192400).

Almost surely, 2^617475144217 is an apocalyptic number.

It is an amenable number.

617475144217 is a deficient number, since it is larger than the sum of its proper divisors (4838394983).

617475144217 is a wasteful number, since it uses less digits than its factorization.

617475144217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400695.

The product of its digits is 1317120, while the sum is 49.

The spelling of 617475144217 in words is "six hundred seventeen billion, four hundred seventy-five million, one hundred forty-four thousand, two hundred seventeen".