618679327141 has 4 divisors (see below), whose sum is σ = 618682134784. Its totient is φ = 618676519500.

The previous prime is 618679327099. The next prime is 618679327153. The reversal of 618679327141 is 141723976816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 618679327141 - 2¹³ = 618679318949 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 (618679327241) 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, 1042245 + ... + 1524346.

It is an arithmetic number, because the mean of its divisors is an integer number (154670533696).

Almost surely, 2^618679327141 is an apocalyptic number.

It is an amenable number.

618679327141 is a deficient number, since it is larger than the sum of its proper divisors (2807643).

618679327141 is a wasteful number, since it uses less digits than its factorization.

618679327141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807642.

The product of its digits is 3048192, while the sum is 55.

The spelling of 618679327141 in words is "six hundred eighteen billion, six hundred seventy-nine million, three hundred twenty-seven thousand, one hundred forty-one".