218426229541 has 8 divisors (see below), whose sum is σ = 235231910144. Its totient is φ = 201621072240.

The previous prime is 218426229523. The next prime is 218426229641. The reversal of 218426229541 is 145922624812.

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 218426229541 - 2⁹ = 218426229029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 218426229491 and 218426229500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218426229641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396936 + ... + 1545406.

It is an arithmetic number, because the mean of its divisors is an integer number (29403988768).

Almost surely, 2^218426229541 is an apocalyptic number.

It is an amenable number.

218426229541 is a deficient number, since it is larger than the sum of its proper divisors (16805680603).

218426229541 is a wasteful number, since it uses less digits than its factorization.

218426229541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261651.

The product of its digits is 552960, while the sum is 46.

The spelling of 218426229541 in words is "two hundred eighteen billion, four hundred twenty-six million, two hundred twenty-nine thousand, five hundred forty-one".