618369324943 has 16 divisors (see below), whose sum is σ = 627878018880. Its totient is φ = 608935000576.

The previous prime is 618369324919. The next prime is 618369324953. The reversal of 618369324943 is 349423963816.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-618369324943 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 (618369324913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46736853 + ... + 46750081.

It is an arithmetic number, because the mean of its divisors is an integer number (39242376180).

Almost surely, 2^618369324943 is an apocalyptic number.

618369324943 is a deficient number, since it is larger than the sum of its proper divisors (9508693937).

618369324943 is a wasteful number, since it uses less digits than its factorization.

618369324943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15986.

The product of its digits is 20155392, while the sum is 58.

The spelling of 618369324943 in words is "six hundred eighteen billion, three hundred sixty-nine million, three hundred twenty-four thousand, nine hundred forty-three".