4520644003 has 2 divisors, whose sum is σ = 4520644004. Its totient is φ = 4520644002.

The previous prime is 4520643991. The next prime is 4520644031. The reversal of 4520644003 is 3004460254.

It is an a-pointer prime, because the next prime (4520644031) can be obtained adding 4520644003 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4520644003 - 2⁵ = 4520643971 is a prime.

It is not a weakly prime, because it can be changed into another prime (4520644603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260322001 + 2260322002.

It is an arithmetic number, because the mean of its divisors is an integer number (2260322002).

Almost surely, 2^4520644003 is an apocalyptic number.

4520644003 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520644003 is an equidigital number, since it uses as much as digits as its factorization.

4520644003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4520644003 is about 67235.7345687544. The cubic root of 4520644003 is about 1653.4844031128.

The spelling of 4520644003 in words is "four billion, five hundred twenty million, six hundred forty-four thousand, three".