21411342414229 has 2 divisors, whose sum is σ = 21411342414230. Its totient is φ = 21411342414228.

The previous prime is 21411342414157. The next prime is 21411342414247. The reversal of 21411342414229 is 92241424311412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12299939794129 + 9111402620100 = 3507127^2 + 3018510^2 .

It is a cyclic number.

It is not a de Polignac number, because 21411342414229 - 2²⁵ = 21411308859797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21411342414191 and 21411342414200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21411342414269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705671207114 + 10705671207115.

It is an arithmetic number, because the mean of its divisors is an integer number (10705671207115).

Almost surely, 2^{21411342414229} is an apocalyptic number.

It is an amenable number.

21411342414229 is a deficient number, since it is larger than the sum of its proper divisors (1).

21411342414229 is an equidigital number, since it uses as much as digits as its factorization.

21411342414229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The spelling of 21411342414229 in words is "twenty-one trillion, four hundred eleven billion, three hundred forty-two million, four hundred fourteen thousand, two hundred twenty-nine".