421546402606 has 8 divisors (see below), whose sum is σ = 722650975920. Its totient is φ = 180662743968.

The previous prime is 421546402597. The next prime is 421546402631. The reversal of 421546402606 is 606204645124.

It is a happy number.

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

It is a congruent 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, 15055228651 + ... + 15055228678.

It is an arithmetic number, because the mean of its divisors is an integer number (90331371990).

Almost surely, 2^421546402606 is an apocalyptic number.

421546402606 is a deficient number, since it is larger than the sum of its proper divisors (301104573314).

421546402606 is a wasteful number, since it uses less digits than its factorization.

421546402606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30110457338.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 421546402606 in words is "four hundred twenty-one billion, five hundred forty-six million, four hundred two thousand, six hundred six".