618746614741 has 8 divisors (see below), whose sum is σ = 621278472600. Its totient is φ = 616216473600.

The previous prime is 618746614709. The next prime is 618746614769. The reversal of 618746614741 is 147416647816.

It can be written as a sum of positive squares in 4 ways, for example, as 22847531716 + 595899083025 = 151154^2 + 771945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 618746614741 - 2⁵ = 618746614709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618746614141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295641 + ... + 1151041.

It is an arithmetic number, because the mean of its divisors is an integer number (77659809075).

Almost surely, 2^618746614741 is an apocalyptic number.

It is an amenable number.

618746614741 is a deficient number, since it is larger than the sum of its proper divisors (2531857859).

618746614741 is a wasteful number, since it uses less digits than its factorization.

618746614741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858359.

The product of its digits is 5419008, while the sum is 55.

The spelling of 618746614741 in words is "six hundred eighteen billion, seven hundred forty-six million, six hundred fourteen thousand, seven hundred forty-one".