4781466643 has 4 divisors (see below), whose sum is σ = 4802346640. Its totient is φ = 4760586648.

The previous prime is 4781466623. The next prime is 4781466659. The reversal of 4781466643 is 3466641874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3466641874 = 2 ⋅1733320937.

It is a cyclic number.

It is not a de Polignac number, because 4781466643 - 2¹⁷ = 4781335571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4781466623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10439655 + ... + 10440112.

It is an arithmetic number, because the mean of its divisors is an integer number (1200586660).

Almost surely, 2^4781466643 is an apocalyptic number.

4781466643 is a deficient number, since it is larger than the sum of its proper divisors (20879997).

4781466643 is a wasteful number, since it uses less digits than its factorization.

4781466643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20879996.

The product of its digits is 2322432, while the sum is 49.

The square root of 4781466643 is about 69148.1499607907. The cubic root of 4781466643 is about 1684.6914694254.

The spelling of 4781466643 in words is "four billion, seven hundred eighty-one million, four hundred sixty-six thousand, six hundred forty-three".