4805199521 has 2 divisors, whose sum is σ = 4805199522. Its totient is φ = 4805199520.

The previous prime is 4805199517. The next prime is 4805199571. The reversal of 4805199521 is 1259915084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4240614400 + 564585121 = 65120^2 + 23761^2 .

It is a cyclic number.

It is not a de Polignac number, because 4805199521 - 2² = 4805199517 is a prime.

It is not a weakly prime, because it can be changed into another prime (4805199571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2402599760 + 2402599761.

It is an arithmetic number, because the mean of its divisors is an integer number (2402599761).

Almost surely, 2^4805199521 is an apocalyptic number.

It is an amenable number.

4805199521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4805199521 is an equidigital number, since it uses as much as digits as its factorization.

4805199521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 4805199521 is about 69319.5464569698. The cubic root of 4805199521 is about 1687.4742005091.

The spelling of 4805199521 in words is "four billion, eight hundred five million, one hundred ninety-nine thousand, five hundred twenty-one".