4511481613 has 2 divisors, whose sum is σ = 4511481614. Its totient is φ = 4511481612.

The previous prime is 4511481593. The next prime is 4511481631. The reversal of 4511481613 is 3161841154.

4511481613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (4511481631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3704183044 + 807298569 = 60862^2 + 28413^2 .

It is a cyclic number.

It is not a de Polignac number, because 4511481613 - 2²¹ = 4509384461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4511481313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2255740806 + 2255740807.

It is an arithmetic number, because the mean of its divisors is an integer number (2255740807).

Almost surely, 2^4511481613 is an apocalyptic number.

It is an amenable number.

4511481613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4511481613 is an equidigital number, since it uses as much as digits as its factorization.

4511481613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 4511481613 is about 67167.5636970703. The cubic root of 4511481613 is about 1652.3665597491.

The spelling of 4511481613 in words is "four billion, five hundred eleven million, four hundred eighty-one thousand, six hundred thirteen".