4506981361 has 2 divisors, whose sum is σ = 4506981362. Its totient is φ = 4506981360.

The previous prime is 4506981343. The next prime is 4506981397. The reversal of 4506981361 is 1631896054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3078141361 + 1428840000 = 55481^2 + 37800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4506981361 - 2⁵ = 4506981329 is a prime.

It is not a weakly prime, because it can be changed into another prime (4506981331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253490680 + 2253490681.

It is an arithmetic number, because the mean of its divisors is an integer number (2253490681).

Almost surely, 2^4506981361 is an apocalyptic number.

It is an amenable number.

4506981361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4506981361 is an equidigital number, since it uses as much as digits as its factorization.

4506981361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 4506981361 is about 67134.0551508696. The cubic root of 4506981361 is about 1651.8169590899.

The spelling of 4506981361 in words is "four billion, five hundred six million, nine hundred eighty-one thousand, three hundred sixty-one".