4920513281 has 2 divisors, whose sum is σ = 4920513282. Its totient is φ = 4920513280.

The previous prime is 4920513209. The next prime is 4920513289. The reversal of 4920513281 is 1823150294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2756775025 + 2163738256 = 52505^2 + 46516^2 .

It is a cyclic number.

It is not a de Polignac number, because 4920513281 - 2³⁰ = 3846771457 is a prime.

It is a super-2 number, since 2×4920513281² = 48422901896994769922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4920513289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460256640 + 2460256641.

It is an arithmetic number, because the mean of its divisors is an integer number (2460256641).

Almost surely, 2^4920513281 is an apocalyptic number.

It is an amenable number.

4920513281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4920513281 is an equidigital number, since it uses as much as digits as its factorization.

4920513281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 4920513281 is about 70146.3704050324. The cubic root of 4920513281 is about 1700.8661423664.

The spelling of 4920513281 in words is "four billion, nine hundred twenty million, five hundred thirteen thousand, two hundred eighty-one".