21414205033 has 16 divisors (see below), whose sum is σ = 23217739776. Its totient is φ = 19633155840.

The previous prime is 21414205013. The next prime is 21414205061. The reversal of 21414205033 is 33050241412.

It is a cyclic number.

It is not a de Polignac number, because 21414205033 - 2³³ = 12824270441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21414204989 and 21414205007.

It is not an unprimeable number, because it can be changed into a prime (21414205013) 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, 5691873 + ... + 5695633.

It is an arithmetic number, because the mean of its divisors is an integer number (1451108736).

Almost surely, 2^21414205033 is an apocalyptic number.

It is an amenable number.

21414205033 is a deficient number, since it is larger than the sum of its proper divisors (1803534743).

21414205033 is a wasteful number, since it uses less digits than its factorization.

21414205033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 21414205033 its reverse (33050241412), we get a palindrome (54464446445).

The spelling of 21414205033 in words is "twenty-one billion, four hundred fourteen million, two hundred five thousand, thirty-three".