21413441313 has 40 divisors (see below), whose sum is σ = 36732637920. Its totient is φ = 12294789120.

The previous prime is 21413441263. The next prime is 21413441333. The reversal of 21413441313 is 31314431412.

21413441313 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 344 + 1 + 313 = 666.

It is not a de Polignac number, because 21413441313 - 2⁶ = 21413441249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (21413441333) 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 39 ways as a sum of consecutive naturals, for example, 615520 + ... + 649377.

It is an arithmetic number, because the mean of its divisors is an integer number (918315948).

Almost surely, 2^21413441313 is an apocalyptic number.

It is an amenable number.

21413441313 is a deficient number, since it is larger than the sum of its proper divisors (15319196607).

21413441313 is a wasteful number, since it uses less digits than its factorization.

21413441313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264939 (or 1264930 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 21413441313 its reverse (31314431412), we get a palindrome (52727872725).

Subtracting 21413441313 from its reverse (31314431412), we obtain a palindrome (9900990099).

The spelling of 21413441313 in words is "twenty-one billion, four hundred thirteen million, four hundred forty-one thousand, three hundred thirteen".