421317754386 has 8 divisors (see below), whose sum is σ = 842635508784. Its totient is φ = 140439251460.

The previous prime is 421317754339. The next prime is 421317754411. The reversal of 421317754386 is 683457713124.

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

421317754386 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35109812860 + ... + 35109812871.

It is an arithmetic number, because the mean of its divisors is an integer number (105329438598).

Almost surely, 2^421317754386 is an apocalyptic number.

421317754386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421317754386 is a wasteful number, since it uses less digits than its factorization.

421317754386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70219625736.

The product of its digits is 3386880, while the sum is 51.

The spelling of 421317754386 in words is "four hundred twenty-one billion, three hundred seventeen million, seven hundred fifty-four thousand, three hundred eighty-six".