4607728991 has 2 divisors, whose sum is σ = 4607728992. Its totient is φ = 4607728990.

The previous prime is 4607728967. The next prime is 4607729089. The reversal of 4607728991 is 1998277064.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4607728991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4607728921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2303864495 + 2303864496.

It is an arithmetic number, because the mean of its divisors is an integer number (2303864496).

Almost surely, 2^4607728991 is an apocalyptic number.

4607728991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4607728991 is an equidigital number, since it uses as much as digits as its factorization.

4607728991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 4607728991 is about 67880.2547947487. The cubic root of 4607728991 is about 1664.0344350336.

The spelling of 4607728991 in words is "four billion, six hundred seven million, seven hundred twenty-eight thousand, nine hundred ninety-one".