21411413341 has 2 divisors, whose sum is σ = 21411413342. Its totient is φ = 21411413340.

The previous prime is 21411413333. The next prime is 21411413347. The reversal of 21411413341 is 14331411412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15919121241 + 5492292100 = 126171^2 + 74110^2 .

It is a cyclic number.

It is not a de Polignac number, because 21411413341 - 2³ = 21411413333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21411413347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705706670 + 10705706671.

It is an arithmetic number, because the mean of its divisors is an integer number (10705706671).

Almost surely, 2^21411413341 is an apocalyptic number.

It is an amenable number.

21411413341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21411413341 is an equidigital number, since it uses as much as digits as its factorization.

21411413341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

Adding to 21411413341 its reverse (14331411412), we get a palindrome (35742824753).

The spelling of 21411413341 in words is "twenty-one billion, four hundred eleven million, four hundred thirteen thousand, three hundred forty-one".