418018813 has 8 divisors (see below), whose sum is σ = 436398336. Its totient is φ = 399656400.

The previous prime is 418018771. The next prime is 418018817. The reversal of 418018813 is 318810814.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418018813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418018817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92343 + ... + 96763.

It is an arithmetic number, because the mean of its divisors is an integer number (54549792).

Almost surely, 2^418018813 is an apocalyptic number.

It is an amenable number.

418018813 is a deficient number, since it is larger than the sum of its proper divisors (18379523).

418018813 is a wasteful number, since it uses less digits than its factorization.

418018813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 418018813 is about 20445.5083820383. The cubic root of 418018813 is about 747.7078540405.

The spelling of 418018813 in words is "four hundred eighteen million, eighteen thousand, eight hundred thirteen".