618872212743 has 4 divisors (see below), whose sum is σ = 825162950328. Its totient is φ = 412581475160.

The previous prime is 618872212729. The next prime is 618872212747. The reversal of 618872212743 is 347212278816.

It is a happy number.

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 618872212743 - 2¹⁰ = 618872211719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618872212747) 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, 103145368788 + ... + 103145368793.

It is an arithmetic number, because the mean of its divisors is an integer number (206290737582).

Almost surely, 2^618872212743 is an apocalyptic number.

618872212743 is a deficient number, since it is larger than the sum of its proper divisors (206290737585).

618872212743 is a wasteful number, since it uses less digits than its factorization.

618872212743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206290737584.

The product of its digits is 1806336, while the sum is 51.

The spelling of 618872212743 in words is "six hundred eighteen billion, eight hundred seventy-two million, two hundred twelve thousand, seven hundred forty-three".