4927985617 has 2 divisors, whose sum is σ = 4927985618. Its totient is φ = 4927985616.

The previous prime is 4927985591. The next prime is 4927985701. The reversal of 4927985617 is 7165897294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4906862401 + 21123216 = 70049^2 + 4596^2 .

It is a cyclic number.

It is not a de Polignac number, because 4927985617 - 2¹¹ = 4927983569 is a prime.

It is not a weakly prime, because it can be changed into another prime (4927985917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2463992808 + 2463992809.

It is an arithmetic number, because the mean of its divisors is an integer number (2463992809).

Almost surely, 2^4927985617 is an apocalyptic number.

It is an amenable number.

4927985617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4927985617 is an equidigital number, since it uses as much as digits as its factorization.

4927985617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 58.

The square root of 4927985617 is about 70199.6126556265. The cubic root of 4927985617 is about 1701.7266904736.

The spelling of 4927985617 in words is "four billion, nine hundred twenty-seven million, nine hundred eighty-five thousand, six hundred seventeen".