421401404310333 has 4 divisors (see below), whose sum is σ = 561868539080448. Its totient is φ = 280934269540220.

The previous prime is 421401404310317. The next prime is 421401404310343. The reversal of 421401404310333 is 333013404104124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421401404310333 - 2⁴ = 421401404310317 is a prime.

It is a super-2 number, since 2×421401404310333² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421401404310294 and 421401404310303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421401404310343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70233567385053 + ... + 70233567385058.

It is an arithmetic number, because the mean of its divisors is an integer number (140467134770112).

Almost surely, 2^{421401404310333} is an apocalyptic number.

It is an amenable number.

421401404310333 is a deficient number, since it is larger than the sum of its proper divisors (140467134770115).

421401404310333 is a wasteful number, since it uses less digits than its factorization.

421401404310333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140467134770114.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 421401404310333 its reverse (333013404104124), we get a palindrome (754414808414457).

The spelling of 421401404310333 in words is "four hundred twenty-one trillion, four hundred one billion, four hundred four million, three hundred ten thousand, three hundred thirty-three".