420682618789 has 8 divisors (see below), whose sum is σ = 438990713280. Its totient is φ = 402375986496.

The previous prime is 420682618787. The next prime is 420682618813. The reversal of 420682618789 is 987816286024.

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 420682618789 - 2¹ = 420682618787 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 (420682618787) 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, 244029 + ... + 949165.

It is an arithmetic number, because the mean of its divisors is an integer number (54873839160).

Almost surely, 2^420682618789 is an apocalyptic number.

It is an amenable number.

420682618789 is a deficient number, since it is larger than the sum of its proper divisors (18308094491).

420682618789 is a wasteful number, since it uses less digits than its factorization.

420682618789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731099.

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 420682618789 in words is "four hundred twenty billion, six hundred eighty-two million, six hundred eighteen thousand, seven hundred eighty-nine".