4680606891 has 4 divisors (see below), whose sum is σ = 6240809192. Its totient is φ = 3120404592.

The previous prime is 4680606883. The next prime is 4680606941. The reversal of 4680606891 is 1986060864.

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

It is not a de Polignac number, because 4680606891 - 2³ = 4680606883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4680606891.

It is not an unprimeable number, because it can be changed into a prime (4680606841) 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, 780101146 + ... + 780101151.

It is an arithmetic number, because the mean of its divisors is an integer number (1560202298).

Almost surely, 2^4680606891 is an apocalyptic number.

4680606891 is a deficient number, since it is larger than the sum of its proper divisors (1560202301).

4680606891 is a wasteful number, since it uses less digits than its factorization.

4680606891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560202300.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 4680606891 is about 68414.9610173097. The cubic root of 4680606891 is about 1672.7616217743.

The spelling of 4680606891 in words is "four billion, six hundred eighty million, six hundred six thousand, eight hundred ninety-one".