418383412221 has 8 divisors (see below), whose sum is σ = 558712117600. Its totient is φ = 278488490832.

The previous prime is 418383412219. The next prime is 418383412301. The reversal of 418383412221 is 122214383814.

It is a happy number.

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

It is not a de Polignac number, because 418383412221 - 2¹ = 418383412219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 418383412221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418383412621) 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, 108443746 + ... + 108447603.

It is an arithmetic number, because the mean of its divisors is an integer number (69839014700).

Almost surely, 2^418383412221 is an apocalyptic number.

It is an amenable number.

418383412221 is a deficient number, since it is larger than the sum of its proper divisors (140328705379).

418383412221 is a wasteful number, since it uses less digits than its factorization.

418383412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216891995.

The product of its digits is 73728, while the sum is 39.

The spelling of 418383412221 in words is "four hundred eighteen billion, three hundred eighty-three million, four hundred twelve thousand, two hundred twenty-one".