421334102133441 has 32 divisors (see below), whose sum is σ = 713383137918720. Its totient is φ = 240757879105152.

The previous prime is 421334102133431. The next prime is 421334102133473. The reversal of 421334102133441 is 144331201433124.

421334102133441 is a `hidden beast` number, since 4 + 21 + 3 + 3 + 410 + 213 + 3 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 421334102133441 - 2²⁷ = 421333967915713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421334102133396 and 421334102133405.

It is not an unprimeable number, because it can be changed into a prime (421334102133401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10439490 + ... + 30848843.

It is an arithmetic number, because the mean of its divisors is an integer number (22293223059960).

Almost surely, 2^{421334102133441} is an apocalyptic number.

It is an amenable number.

421334102133441 is a deficient number, since it is larger than the sum of its proper divisors (292049035785279).

421334102133441 is a wasteful number, since it uses less digits than its factorization.

421334102133441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41342342 (or 41342336 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 421334102133441 its reverse (144331201433124), we get a palindrome (565665303566565).

The spelling of 421334102133441 in words is "four hundred twenty-one trillion, three hundred thirty-four billion, one hundred two million, one hundred thirty-three thousand, four hundred forty-one".