4981616617 has 2 divisors, whose sum is σ = 4981616618. Its totient is φ = 4981616616.

The previous prime is 4981616611. The next prime is 4981616663. The reversal of 4981616617 is 7166161894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3935805696 + 1045810921 = 62736^2 + 32339^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981616617 - 2³ = 4981616609 is a prime.

It is not a weakly prime, because it can be changed into another prime (4981616611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490808308 + 2490808309.

It is an arithmetic number, because the mean of its divisors is an integer number (2490808309).

Almost surely, 2^4981616617 is an apocalyptic number.

It is an amenable number.

4981616617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981616617 is an equidigital number, since it uses as much as digits as its factorization.

4981616617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 4981616617 is about 70580.5682677605. The cubic root of 4981616617 is about 1707.8776968599.

The spelling of 4981616617 in words is "four billion, nine hundred eighty-one million, six hundred sixteen thousand, six hundred seventeen".