21410067313 has 4 divisors (see below), whose sum is σ = 21419215348. Its totient is φ = 21400919280.

The previous prime is 21410067241. The next prime is 21410067319. The reversal of 21410067313 is 31376001412.

21410067313 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14935772944 + 6474294369 = 122212^2 + 80463^2 .

It is a cyclic number.

It is not a de Polignac number, because 21410067313 - 2⁹ = 21410066801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410067319) 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 3 ways as a sum of consecutive naturals, for example, 4570506 + ... + 4575187.

It is an arithmetic number, because the mean of its divisors is an integer number (5354803837).

Almost surely, 2^21410067313 is an apocalyptic number.

It is an amenable number.

21410067313 is a deficient number, since it is larger than the sum of its proper divisors (9148035).

21410067313 is an equidigital number, since it uses as much as digits as its factorization.

21410067313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148034.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 21410067313 its reverse (31376001412), we get a palindrome (52786068725).

The spelling of 21410067313 in words is "twenty-one billion, four hundred ten million, sixty-seven thousand, three hundred thirteen".