4221606503347 has 2 divisors, whose sum is σ = 4221606503348. Its totient is φ = 4221606503346.

The previous prime is 4221606503269. The next prime is 4221606503369. The reversal of 4221606503347 is 7433056061224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4221606503347 - 2²⁷ = 4221472285619 is a prime.

It is a super-2 number, since 2×4221606503347² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4221606503377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110803251673 + 2110803251674.

It is an arithmetic number, because the mean of its divisors is an integer number (2110803251674).

Almost surely, 2^{4221606503347} is an apocalyptic number.

4221606503347 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221606503347 is an equidigital number, since it uses as much as digits as its factorization.

4221606503347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 4221606503347 in words is "four trillion, two hundred twenty-one billion, six hundred six million, five hundred three thousand, three hundred forty-seven".