4218104863557 has 24 divisors (see below), whose sum is σ = 6562325637504. Its totient is φ = 2595428810784.

The previous prime is 4218104863529. The next prime is 4218104863561. The reversal of 4218104863557 is 7553684018124.

It is a happy number.

4218104863557 is a `hidden beast` number, since 4 + 2 + 1 + 8 + 1 + 0 + 4 + 86 + 3 + 557 = 666.

4218104863557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4218104863557 - 2⁶ = 4218104863493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218104863457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1346553 + ... + 3201470.

It is an arithmetic number, because the mean of its divisors is an integer number (273430234896).

Almost surely, 2^{4218104863557} is an apocalyptic number.

It is an amenable number.

4218104863557 is a deficient number, since it is larger than the sum of its proper divisors (2344220773947).

4218104863557 is a wasteful number, since it uses less digits than its factorization.

4218104863557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555969 (or 4555966 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 4218104863557 in words is "four trillion, two hundred eighteen billion, one hundred four million, eight hundred sixty-three thousand, five hundred fifty-seven".