4930689861 has 8 divisors (see below), whose sum is σ = 7304725760. Its totient is φ = 3287126556.

The previous prime is 4930689857. The next prime is 4930689899. The reversal of 4930689861 is 1689860394.

4930689861 is a `hidden beast` number, since 493 + 0 + 6 + 8 + 98 + 61 = 666.

It is not a de Polignac number, because 4930689861 - 2² = 4930689857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4930689798 and 4930689807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4930689461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91309045 + ... + 91309098.

It is an arithmetic number, because the mean of its divisors is an integer number (913090720).

Almost surely, 2^4930689861 is an apocalyptic number.

It is an amenable number.

4930689861 is a deficient number, since it is larger than the sum of its proper divisors (2374035899).

4930689861 is a wasteful number, since it uses less digits than its factorization.

4930689861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182618152 (or 182618146 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 4930689861 is about 70218.8711173855. The cubic root of 4930689861 is about 1702.0379090959.

The spelling of 4930689861 in words is "four billion, nine hundred thirty million, six hundred eighty-nine thousand, eight hundred sixty-one".