4221604570459 has 2 divisors, whose sum is σ = 4221604570460. Its totient is φ = 4221604570458.

The previous prime is 4221604570441. The next prime is 4221604570537. The reversal of 4221604570459 is 9540754061224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221604570459 - 2³¹ = 4219457086811 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221604570409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110802285229 + 2110802285230.

It is an arithmetic number, because the mean of its divisors is an integer number (2110802285230).

Almost surely, 2^{4221604570459} is an apocalyptic number.

4221604570459 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221604570459 is an equidigital number, since it uses as much as digits as its factorization.

4221604570459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 4221604570459 in words is "four trillion, two hundred twenty-one billion, six hundred four million, five hundred seventy thousand, four hundred fifty-nine".