618541337704863 has 32 divisors (see below), whose sum is σ = 829621685882880. Its totient is φ = 409918353960960.

The previous prime is 618541337704861. The next prime is 618541337704879. The reversal of 618541337704863 is 368407733145816.

It is not a de Polignac number, because 618541337704863 - 2¹ = 618541337704861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 618541337704794 and 618541337704803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618541337704861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889264845 + ... + 889960137.

It is an arithmetic number, because the mean of its divisors is an integer number (25925677683840).

Almost surely, 2^{618541337704863} is an apocalyptic number.

618541337704863 is a deficient number, since it is larger than the sum of its proper divisors (211080348178017).

618541337704863 is a wasteful number, since it uses less digits than its factorization.

618541337704863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697959.

The product of its (nonzero) digits is 243855360, while the sum is 66.

The spelling of 618541337704863 in words is "six hundred eighteen trillion, five hundred forty-one billion, three hundred thirty-seven million, seven hundred four thousand, eight hundred sixty-three".