21414013144241 has 4 divisors (see below), whose sum is σ = 21507524118900. Its totient is φ = 21320502169584.

The previous prime is 21414013144207. The next prime is 21414013144291. The reversal of 21414013144241 is 14244131041412.

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 11304920073841 + 10109093070400 = 3362279^2 + 3179480^2 .

It is a cyclic number.

It is not a de Polignac number, because 21414013144241 - 2²² = 21414008949937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21414013144198 and 21414013144207.

It is not an unprimeable number, because it can be changed into a prime (21414013144291) 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, 46755486986 + ... + 46755487443.

It is an arithmetic number, because the mean of its divisors is an integer number (5376881029725).

Almost surely, 2^{21414013144241} is an apocalyptic number.

It is an amenable number.

21414013144241 is a deficient number, since it is larger than the sum of its proper divisors (93510974659).

21414013144241 is an equidigital number, since it uses as much as digits as its factorization.

21414013144241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93510974658.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 21414013144241 its reverse (14244131041412), we get a palindrome (35658144185653).

The spelling of 21414013144241 in words is "twenty-one trillion, four hundred fourteen billion, thirteen million, one hundred forty-four thousand, two hundred forty-one".