617252412863 has 4 divisors (see below), whose sum is σ = 620385674040. Its totient is φ = 614119151688.

The previous prime is 617252412823. The next prime is 617252412893. The reversal of 617252412863 is 368214252716.

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

It is a cyclic number.

It is not a de Polignac number, because 617252412863 - 2¹⁴ = 617252396479 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 (617252412823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566630293 + ... + 1566630686.

It is an arithmetic number, because the mean of its divisors is an integer number (155096418510).

Almost surely, 2^617252412863 is an apocalyptic number.

617252412863 is a deficient number, since it is larger than the sum of its proper divisors (3133261177).

617252412863 is a wasteful number, since it uses less digits than its factorization.

617252412863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133261176.

The product of its digits is 967680, while the sum is 47.

The spelling of 617252412863 in words is "six hundred seventeen billion, two hundred fifty-two million, four hundred twelve thousand, eight hundred sixty-three".