21301432413 has 16 divisors (see below), whose sum is σ = 28457371200. Its totient is φ = 14173255296.

The previous prime is 21301432367. The next prime is 21301432417. The reversal of 21301432413 is 31423410312.

It is a happy number.

It is not a de Polignac number, because 21301432413 - 2²⁹ = 20764561501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301432417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906513 + ... + 3911961.

It is an arithmetic number, because the mean of its divisors is an integer number (1778585700).

Almost surely, 2^21301432413 is an apocalyptic number.

It is an amenable number.

21301432413 is a deficient number, since it is larger than the sum of its proper divisors (7155938787).

21301432413 is a wasteful number, since it uses less digits than its factorization.

21301432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21301432413 its reverse (31423410312), we get a palindrome (52724842725).

The spelling of 21301432413 in words is "twenty-one billion, three hundred one million, four hundred thirty-two thousand, four hundred thirteen".