21411301413 has 4 divisors (see below), whose sum is σ = 28548401888. Its totient is φ = 14274200940.

The previous prime is 21411301393. The next prime is 21411301441. The reversal of 21411301413 is 31410311412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21411301413 - 2⁹ = 21411300901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21411301413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411300413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568550233 + ... + 3568550238.

It is an arithmetic number, because the mean of its divisors is an integer number (7137100472).

Almost surely, 2^21411301413 is an apocalyptic number.

It is an amenable number.

21411301413 is a deficient number, since it is larger than the sum of its proper divisors (7137100475).

21411301413 is an equidigital number, since it uses as much as digits as its factorization.

21411301413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137100474.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21411301413 its reverse (31410311412), we get a palindrome (52821612825).

Subtracting 21411301413 from its reverse (31410311412), we obtain a palindrome (9999009999).

The spelling of 21411301413 in words is "twenty-one billion, four hundred eleven million, three hundred one thousand, four hundred thirteen".