4641349081 has 4 divisors (see below), whose sum is σ = 4670911972. Its totient is φ = 4611786192.

The previous prime is 4641349073. The next prime is 4641349177. The reversal of 4641349081 is 1809431464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3546798025 + 1094551056 = 59555^2 + 33084^2 .

It is a cyclic number.

It is not a de Polignac number, because 4641349081 - 2³ = 4641349073 is a prime.

It is a super-2 number, since 2×4641349081² = 43084242583399089122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4641349001) 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 in 3 ways as a sum of consecutive naturals, for example, 14781210 + ... + 14781523.

It is an arithmetic number, because the mean of its divisors is an integer number (1167727993).

Almost surely, 2^4641349081 is an apocalyptic number.

It is an amenable number.

4641349081 is a deficient number, since it is larger than the sum of its proper divisors (29562891).

4641349081 is a wasteful number, since it uses less digits than its factorization.

4641349081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29562890.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 4641349081 is about 68127.4473395268. The cubic root of 4641349081 is about 1668.0718158317.

The spelling of 4641349081 in words is "four billion, six hundred forty-one million, three hundred forty-nine thousand, eighty-one".