617627174745142 has 32 divisors (see below), whose sum is σ = 989629202880000. Its totient is φ = 288072754464768.

The previous prime is 617627174745109. The next prime is 617627174745149. The reversal of 617627174745142 is 241547471726716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617627174745149) 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 15 ways as a sum of consecutive naturals, for example, 361829484 + ... + 363532432.

It is an arithmetic number, because the mean of its divisors is an integer number (30925912590000).

Almost surely, 2^{617627174745142} is an apocalyptic number.

617627174745142 is a deficient number, since it is larger than the sum of its proper divisors (372002028134858).

617627174745142 is a wasteful number, since it uses less digits than its factorization.

617627174745142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797480.

The product of its digits is 110638080, while the sum is 64.

The spelling of 617627174745142 in words is "six hundred seventeen trillion, six hundred twenty-seven billion, one hundred seventy-four million, seven hundred forty-five thousand, one hundred forty-two".