4686789561 has 8 divisors (see below), whose sum is σ = 6342322464. Its totient is φ = 3077891520.

The previous prime is 4686789559. The next prime is 4686789563. The reversal of 4686789561 is 1659876864.

It is an interprime number because it is at equal distance from previous prime (4686789559) and next prime (4686789563).

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

It is not a de Polignac number, because 4686789561 - 2¹ = 4686789559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4686789495 and 4686789504.

It is not an unprimeable number, because it can be changed into a prime (4686789563) 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, 11658480 + ... + 11658881.

It is an arithmetic number, because the mean of its divisors is an integer number (792790308).

Almost surely, 2^4686789561 is an apocalyptic number.

It is an amenable number.

4686789561 is a deficient number, since it is larger than the sum of its proper divisors (1655532903).

4686789561 is a wasteful number, since it uses less digits than its factorization.

4686789561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23317431.

The product of its digits is 17418240, while the sum is 60.

The square root of 4686789561 is about 68460.1311786649. The cubic root of 4686789561 is about 1673.4978213735.

The spelling of 4686789561 in words is "four billion, six hundred eighty-six million, seven hundred eighty-nine thousand, five hundred sixty-one".