4881666494 has 4 divisors (see below), whose sum is σ = 7322499744. Its totient is φ = 2440833246.

The previous prime is 4881666451. The next prime is 4881666499. The reversal of 4881666494 is 4946661884.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4881666499) 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 as a sum of consecutive naturals, namely, 1220416622 + ... + 1220416625.

It is an arithmetic number, because the mean of its divisors is an integer number (1830624936).

Almost surely, 2^4881666494 is an apocalyptic number.

4881666494 is a deficient number, since it is larger than the sum of its proper divisors (2440833250).

4881666494 is a wasteful number, since it uses less digits than its factorization.

4881666494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440833249.

The product of its digits is 7962624, while the sum is 56.

The square root of 4881666494 is about 69868.9236642443. The cubic root of 4881666494 is about 1696.3782751282.

The spelling of 4881666494 in words is "four billion, eight hundred eighty-one million, six hundred sixty-six thousand, four hundred ninety-four".