4981616641 has 8 divisors (see below), whose sum is σ = 5444803584. Its totient is φ = 4537335360.

The previous prime is 4981616617. The next prime is 4981616663. The reversal of 4981616641 is 1466161894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4981616641 - 2⁵ = 4981616609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4981616591 and 4981616600.

It is not an unprimeable number, because it can be changed into a prime (4981616611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4725865 + ... + 4726918.

It is an arithmetic number, because the mean of its divisors is an integer number (680600448).

Almost surely, 2^4981616641 is an apocalyptic number.

It is an amenable number.

4981616641 is a deficient number, since it is larger than the sum of its proper divisors (463186943).

4981616641 is a wasteful number, since it uses less digits than its factorization.

4981616641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452831.

The product of its digits is 248832, while the sum is 46.

The square root of 4981616641 is about 70580.5684377790. The cubic root of 4981616641 is about 1707.8776996026.

The spelling of 4981616641 in words is "four billion, nine hundred eighty-one million, six hundred sixteen thousand, six hundred forty-one".