618541337704853 has 4 divisors (see below), whose sum is σ = 618541434561120. Its totient is φ = 618541240848588.

The previous prime is 618541337704813. The next prime is 618541337704861. The reversal of 618541337704853 is 358407733145816.

618541337704853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 618541337704853 - 2⁶ = 618541337704789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 618541337704853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618541337704813) 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, 38117075 + ... + 51865152.

It is an arithmetic number, because the mean of its divisors is an integer number (154635358640280).

Almost surely, 2^{618541337704853} is an apocalyptic number.

It is an amenable number.

618541337704853 is a deficient number, since it is larger than the sum of its proper divisors (96856267).

618541337704853 is an equidigital number, since it uses as much as digits as its factorization.

618541337704853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96856266.

The product of its (nonzero) digits is 203212800, while the sum is 65.

The spelling of 618541337704853 in words is "six hundred eighteen trillion, five hundred forty-one billion, three hundred thirty-seven million, seven hundred four thousand, eight hundred fifty-three".