4686663631 has 8 divisors (see below), whose sum is σ = 5047951104. Its totient is φ = 4325486880.

The previous prime is 4686663623. The next prime is 4686663673. The reversal of 4686663631 is 1363666864.

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

It is not a de Polignac number, because 4686663631 - 2³ = 4686663623 is a prime.

It is a super-2 number, since 2×4686663631² = 43929631980276208322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4686663031) 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, 74130 + ... + 121936.

It is an arithmetic number, because the mean of its divisors is an integer number (630993888).

Almost surely, 2^4686663631 is an apocalyptic number.

4686663631 is a deficient number, since it is larger than the sum of its proper divisors (361287473).

4686663631 is a wasteful number, since it uses less digits than its factorization.

4686663631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55361.

The product of its digits is 2239488, while the sum is 49.

The square root of 4686663631 is about 68459.2114400977. The cubic root of 4686663631 is about 1673.4828327574.

The spelling of 4686663631 in words is "four billion, six hundred eighty-six million, six hundred sixty-three thousand, six hundred thirty-one".