6426221152441 has 2 divisors, whose sum is σ = 6426221152442. Its totient is φ = 6426221152440.

The previous prime is 6426221152411. The next prime is 6426221152487. The reversal of 6426221152441 is 1442511226246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6092825773225 + 333395379216 = 2468365^2 + 577404^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426221152441 - 2¹⁵ = 6426221119673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6426221152394 and 6426221152403.

It is not a weakly prime, because it can be changed into another prime (6426221152411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213110576220 + 3213110576221.

It is an arithmetic number, because the mean of its divisors is an integer number (3213110576221).

Almost surely, 2^{6426221152441} is an apocalyptic number.

It is an amenable number.

6426221152441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426221152441 is an equidigital number, since it uses as much as digits as its factorization.

6426221152441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 40.

Adding to 6426221152441 its reverse (1442511226246), we get a palindrome (7868732378687).

The spelling of 6426221152441 in words is "six trillion, four hundred twenty-six billion, two hundred twenty-one million, one hundred fifty-two thousand, four hundred forty-one".