4686686431 has 8 divisors (see below), whose sum is σ = 5357034144. Its totient is φ = 4016544000.

The previous prime is 4686686387. The next prime is 4686686453. The reversal of 4686686431 is 1346866864.

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

It is not a de Polignac number, because 4686686431 - 2²¹ = 4684589279 is a prime.

It is a super-2 number, since 2×4686686431² = 43930059405039035522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4686686131) 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, 1191 + ... + 96823.

It is an arithmetic number, because the mean of its divisors is an integer number (669629268).

Almost surely, 2^4686686431 is an apocalyptic number.

4686686431 is a deficient number, since it is larger than the sum of its proper divisors (670347713).

4686686431 is an equidigital number, since it uses as much as digits as its factorization.

4686686431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102641.

The product of its digits is 3981312, while the sum is 52.

The square root of 4686686431 is about 68459.3779624092. The cubic root of 4686686431 is about 1673.4855465107.

The spelling of 4686686431 in words is "four billion, six hundred eighty-six million, six hundred eighty-six thousand, four hundred thirty-one".