4221445609351 has 2 divisors, whose sum is σ = 4221445609352. Its totient is φ = 4221445609350.

The previous prime is 4221445609253. The next prime is 4221445609361. The reversal of 4221445609351 is 1539065441224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221445609351 - 2¹⁵ = 4221445576583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221445609361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110722804675 + 2110722804676.

It is an arithmetic number, because the mean of its divisors is an integer number (2110722804676).

Almost surely, 2^{4221445609351} is an apocalyptic number.

4221445609351 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221445609351 is an equidigital number, since it uses as much as digits as its factorization.

4221445609351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 4221445609351 in words is "four trillion, two hundred twenty-one billion, four hundred forty-five million, six hundred nine thousand, three hundred fifty-one".