4218104863493 has 2 divisors, whose sum is σ = 4218104863494. Its totient is φ = 4218104863492.

The previous prime is 4218104863457. The next prime is 4218104863523. The reversal of 4218104863493 is 3943684018124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2161011721444 + 2057093142049 = 1470038^2 + 1434257^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218104863493 - 2¹⁴ = 4218104847109 is a prime.

It is a super-2 number, since 2×4218104863493² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4218104893493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109052431746 + 2109052431747.

It is an arithmetic number, because the mean of its divisors is an integer number (2109052431747).

Almost surely, 2^{4218104863493} is an apocalyptic number.

It is an amenable number.

4218104863493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218104863493 is an equidigital number, since it uses as much as digits as its factorization.

4218104863493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 4218104863493 in words is "four trillion, two hundred eighteen billion, one hundred four million, eight hundred sixty-three thousand, four hundred ninety-three".