518413841841 has 32 divisors (see below), whose sum is σ = 838428917760. Its totient is φ = 278145305856.

The previous prime is 518413841833. The next prime is 518413841843. The reversal of 518413841841 is 148148314815.

It is not a de Polignac number, because 518413841841 - 2³ = 518413841833 is a prime.

It is a super-2 number, since 2×518413841841² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (518413841843) 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, 1583281 + ... + 1882446.

It is an arithmetic number, because the mean of its divisors is an integer number (26200903680).

Almost surely, 2^518413841841 is an apocalyptic number.

518413841841 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

518413841841 is a deficient number, since it is larger than the sum of its proper divisors (320015075919).

518413841841 is a wasteful number, since it uses less digits than its factorization.

518413841841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466173.

The product of its digits is 491520, while the sum is 48.

The spelling of 518413841841 in words is "five hundred eighteen billion, four hundred thirteen million, eight hundred forty-one thousand, eight hundred forty-one".