4564221539 has 2 divisors, whose sum is σ = 4564221540. Its totient is φ = 4564221538.

The previous prime is 4564221457. The next prime is 4564221547. The reversal of 4564221539 is 9351224654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4564221539 - 2²⁴ = 4547444323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4564221496 and 4564221505.

It is not a weakly prime, because it can be changed into another prime (4564226539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2282110769 + 2282110770.

It is an arithmetic number, because the mean of its divisors is an integer number (2282110770).

Almost surely, 2^4564221539 is an apocalyptic number.

4564221539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4564221539 is an equidigital number, since it uses as much as digits as its factorization.

4564221539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 41.

The square root of 4564221539 is about 67559.0226320660. The cubic root of 4564221539 is about 1658.7804390957.

The spelling of 4564221539 in words is "four billion, five hundred sixty-four million, two hundred twenty-one thousand, five hundred thirty-nine".