421305104001 has 16 divisors (see below), whose sum is σ = 575536785408. Its totient is φ = 274010178000.

The previous prime is 421305103943. The next prime is 421305104057. The reversal of 421305104001 is 100401503124.

It is not a de Polignac number, because 421305104001 - 2⁹ = 421305103489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421305104401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4759975 + ... + 4847676.

It is an arithmetic number, because the mean of its divisors is an integer number (35971049088).

Almost surely, 2^421305104001 is an apocalyptic number.

It is an amenable number.

421305104001 is a deficient number, since it is larger than the sum of its proper divisors (154231681407).

421305104001 is a wasteful number, since it uses less digits than its factorization.

421305104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9608012.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 421305104001 its reverse (100401503124), we get a palindrome (521706607125).

The spelling of 421305104001 in words is "four hundred twenty-one billion, three hundred five million, one hundred four thousand, one".