21434334003 has 12 divisors (see below), whose sum is σ = 31084057368. Its totient is φ = 14232624000.

The previous prime is 21434334001. The next prime is 21434334013. The reversal of 21434334003 is 30043343412.

21434334003 is a `hidden beast` number, since 214 + 3 + 43 + 3 + 400 + 3 = 666.

It is not a de Polignac number, because 21434334003 - 2¹ = 21434334001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21434334001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4741950 + ... + 4746467.

It is an arithmetic number, because the mean of its divisors is an integer number (2590338114).

Almost surely, 2^21434334003 is an apocalyptic number.

21434334003 is a deficient number, since it is larger than the sum of its proper divisors (9649723365).

21434334003 is a wasteful number, since it uses less digits than its factorization.

21434334003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488674 (or 9488671 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 21434334003 its reverse (30043343412), we get a palindrome (51477677415).

The spelling of 21434334003 in words is "twenty-one billion, four hundred thirty-four million, three hundred thirty-four thousand, three".