13244010421 has 2 divisors, whose sum is σ = 13244010422. Its totient is φ = 13244010420.

The previous prime is 13244010407. The next prime is 13244010457. The reversal of 13244010421 is 12401044231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13239954225 + 4056196 = 115065^2 + 2014^2 .

It is an emirp because it is prime and its reverse (12401044231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13244010421 - 2¹⁹ = 13243486133 is a prime.

It is a super-3 number, since 3×13244010421³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13244010392 and 13244010401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13244010491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622005210 + 6622005211.

It is an arithmetic number, because the mean of its divisors is an integer number (6622005211).

Almost surely, 2^13244010421 is an apocalyptic number.

It is an amenable number.

13244010421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13244010421 is an equidigital number, since it uses as much as digits as its factorization.

13244010421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13244010421 its reverse (12401044231), we get a palindrome (25645054652).

The spelling of 13244010421 in words is "thirteen billion, two hundred forty-four million, ten thousand, four hundred twenty-one".