421333314421 has 16 divisors (see below), whose sum is σ = 448705915200. Its totient is φ = 394249255168.

The previous prime is 421333314379. The next prime is 421333314473. The reversal of 421333314421 is 124413333124.

It is a cyclic number.

It is not a de Polignac number, because 421333314421 - 2³⁵ = 386973576053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421333314481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17677050 + ... + 17700868.

It is an arithmetic number, because the mean of its divisors is an integer number (28044119700).

Almost surely, 2^421333314421 is an apocalyptic number.

It is an amenable number.

421333314421 is a deficient number, since it is larger than the sum of its proper divisors (27372600779).

421333314421 is a wasteful number, since it uses less digits than its factorization.

421333314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29828.

The product of its digits is 20736, while the sum is 31.

Adding to 421333314421 its reverse (124413333124), we get a palindrome (545746647545).

The spelling of 421333314421 in words is "four hundred twenty-one billion, three hundred thirty-three million, three hundred fourteen thousand, four hundred twenty-one".