21024413341 has 2 divisors, whose sum is σ = 21024413342. Its totient is φ = 21024413340.

The previous prime is 21024413323. The next prime is 21024413357. The reversal of 21024413341 is 14331442012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17996222500 + 3028190841 = 134150^2 + 55029^2 .

It is a cyclic number.

It is not a de Polignac number, because 21024413341 - 2⁵ = 21024413309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21024413041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10512206670 + 10512206671.

It is an arithmetic number, because the mean of its divisors is an integer number (10512206671).

Almost surely, 2^21024413341 is an apocalyptic number.

It is an amenable number.

21024413341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21024413341 is an equidigital number, since it uses as much as digits as its factorization.

21024413341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21024413341 its reverse (14331442012), we get a palindrome (35355855353).

The spelling of 21024413341 in words is "twenty-one billion, twenty-four million, four hundred thirteen thousand, three hundred forty-one".