21414300433 has 4 divisors (see below), whose sum is σ = 21417269940. Its totient is φ = 21411330928.

The previous prime is 21414300431. The next prime is 21414300463. The reversal of 21414300433 is 33400341412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11830477824 + 9583822609 = 108768^2 + 97897^2 .

It is a cyclic number.

It is not a de Polignac number, because 21414300433 - 2¹ = 21414300431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21414300398 and 21414300407.

It is not an unprimeable number, because it can be changed into a prime (21414300431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473910 + ... + 1488367.

It is an arithmetic number, because the mean of its divisors is an integer number (5354317485).

Almost surely, 2^21414300433 is an apocalyptic number.

It is an amenable number.

21414300433 is a deficient number, since it is larger than the sum of its proper divisors (2969507).

21414300433 is an equidigital number, since it uses as much as digits as its factorization.

21414300433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969506.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21414300433 its reverse (33400341412), we get a palindrome (54814641845).

The spelling of 21414300433 in words is "twenty-one billion, four hundred fourteen million, three hundred thousand, four hundred thirty-three".