21433021014 has 16 divisors (see below), whose sum is σ = 45387574128. Its totient is φ = 6724084992.

The previous prime is 21433021013. The next prime is 21433021081. The reversal of 21433021014 is 41012033412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433021013) 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 7 ways as a sum of consecutive naturals, for example, 105063727 + ... + 105063930.

It is an arithmetic number, because the mean of its divisors is an integer number (2836723383).

Almost surely, 2^21433021014 is an apocalyptic number.

21433021014 is an abundant number, since it is smaller than the sum of its proper divisors (23954553114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21433021014 is a wasteful number, since it uses less digits than its factorization.

21433021014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210127679.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21433021014 its reverse (41012033412), we get a palindrome (62445054426).

The spelling of 21433021014 in words is "twenty-one billion, four hundred thirty-three million, twenty-one thousand, fourteen".