4508063921 has 2 divisors, whose sum is σ = 4508063922. Its totient is φ = 4508063920.

The previous prime is 4508063869. The next prime is 4508063947. The reversal of 4508063921 is 1293608054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4492350625 + 15713296 = 67025^2 + 3964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4508063921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4508063981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2254031960 + 2254031961.

It is an arithmetic number, because the mean of its divisors is an integer number (2254031961).

Almost surely, 2^4508063921 is an apocalyptic number.

It is an amenable number.

4508063921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4508063921 is an equidigital number, since it uses as much as digits as its factorization.

4508063921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 4508063921 is about 67142.1173407571. The cubic root of 4508063921 is about 1651.9492019128.

The spelling of 4508063921 in words is "four billion, five hundred eight million, sixty-three thousand, nine hundred twenty-one".