421041324001 has 2 divisors, whose sum is σ = 421041324002. Its totient is φ = 421041324000.

The previous prime is 421041323999. The next prime is 421041324017. The reversal of 421041324001 is 100423140124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402285747600 + 18755576401 = 634260^2 + 136951^2 .

It is a cyclic number.

It is not a de Polignac number, because 421041324001 - 2¹ = 421041323999 is a prime.

Together with 421041323999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (421041324031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210520662000 + 210520662001.

It is an arithmetic number, because the mean of its divisors is an integer number (210520662001).

Almost surely, 2^421041324001 is an apocalyptic number.

It is an amenable number.

421041324001 is a deficient number, since it is larger than the sum of its proper divisors (1).

421041324001 is an equidigital number, since it uses as much as digits as its factorization.

421041324001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 421041324001 its reverse (100423140124), we get a palindrome (521464464125).

The spelling of 421041324001 in words is "four hundred twenty-one billion, forty-one million, three hundred twenty-four thousand, one".