5418336513581 has 8 divisors (see below), whose sum is σ = 5426283343104. Its totient is φ = 5410393547680.

The previous prime is 5418336513547. The next prime is 5418336513587. The reversal of 5418336513581 is 1853156338145.

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

It is a cyclic number.

It is not a de Polignac number, because 5418336513581 - 2³⁰ = 5417262771757 is a prime.

It is a super-2 number, since 2×5418336513581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418336513587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846946 + ... + 3774636.

It is an arithmetic number, because the mean of its divisors is an integer number (678285417888).

Almost surely, 2^{5418336513581} is an apocalyptic number.

It is an amenable number.

5418336513581 is a deficient number, since it is larger than the sum of its proper divisors (7946829523).

5418336513581 is a wasteful number, since it uses less digits than its factorization.

5418336513581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931811.

The product of its digits is 5184000, while the sum is 53.

The spelling of 5418336513581 in words is "five trillion, four hundred eighteen billion, three hundred thirty-six million, five hundred thirteen thousand, five hundred eighty-one".