4885991646 has 8 divisors (see below), whose sum is σ = 9771983304. Its totient is φ = 1628663880.

The previous prime is 4885991639. The next prime is 4885991647. The reversal of 4885991646 is 6461995884.

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

4885991646 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4885991646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4885991647) 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, 407165965 + ... + 407165976.

It is an arithmetic number, because the mean of its divisors is an integer number (1221497913).

Almost surely, 2^4885991646 is an apocalyptic number.

4885991646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4885991646 is a wasteful number, since it uses less digits than its factorization.

4885991646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814331946.

The product of its digits is 14929920, while the sum is 60.

The square root of 4885991646 is about 69899.8687123231. The cubic root of 4885991646 is about 1696.8791237679.

The spelling of 4885991646 in words is "four billion, eight hundred eighty-five million, nine hundred ninety-one thousand, six hundred forty-six".