21413003133 has 16 divisors (see below), whose sum is σ = 28712698560. Its totient is φ = 14194491264.

The previous prime is 21413003113. The next prime is 21413003137. The reversal of 21413003133 is 33130031412.

It is not a de Polignac number, because 21413003133 - 2⁶ = 21413003069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413003137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495835 + ... + 537287.

It is an arithmetic number, because the mean of its divisors is an integer number (1794543660).

Almost surely, 2^21413003133 is an apocalyptic number.

It is an amenable number.

21413003133 is a deficient number, since it is larger than the sum of its proper divisors (7299695427).

21413003133 is a wasteful number, since it uses less digits than its factorization.

21413003133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42428.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21413003133 its reverse (33130031412), we get a palindrome (54543034545).

The spelling of 21413003133 in words is "twenty-one billion, four hundred thirteen million, three thousand, one hundred thirty-three".