21414420333 has 8 divisors (see below), whose sum is σ = 31725067200. Its totient is φ = 14276280204.

The previous prime is 21414420301. The next prime is 21414420337. The reversal of 21414420333 is 33302441412.

21414420333 is a `hidden beast` number, since 214 + 1 + 442 + 0 + 3 + 3 + 3 = 666.

It is not a de Polignac number, because 21414420333 - 2⁵ = 21414420301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 793126679 = 21414420333 / (2 + 1 + 4 + 1 + 4 + 4 + 2 + 0 + 3 + 3 + 3).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21414420297 and 21414420306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414420337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396563313 + ... + 396563366.

It is an arithmetic number, because the mean of its divisors is an integer number (3965633400).

Almost surely, 2^21414420333 is an apocalyptic number.

It is an amenable number.

21414420333 is a deficient number, since it is larger than the sum of its proper divisors (10310646867).

21414420333 is an equidigital number, since it uses as much as digits as its factorization.

21414420333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793126688 (or 793126682 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21414420333 its reverse (33302441412), we get a palindrome (54716861745).

The spelling of 21414420333 in words is "twenty-one billion, four hundred fourteen million, four hundred twenty thousand, three hundred thirty-three".