4631628985 has 16 divisors (see below), whose sum is σ = 5631897600. Its totient is φ = 3656068416.

The previous prime is 4631628977. The next prime is 4631629049. The reversal of 4631628985 is 5898261364.

4631628985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4631628985 - 2³ = 4631628977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881787 + ... + 887023.

It is an arithmetic number, because the mean of its divisors is an integer number (351993600).

Almost surely, 2^4631628985 is an apocalyptic number.

It is an amenable number.

4631628985 is a deficient number, since it is larger than the sum of its proper divisors (1000268615).

4631628985 is a wasteful number, since it uses less digits than its factorization.

4631628985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560.

The product of its digits is 2488320, while the sum is 52.

The square root of 4631628985 is about 68056.0723594890. The cubic root of 4631628985 is about 1666.9065547817.

It can be divided in two parts, 4631 and 628985, that added together give a square (633616 = 796²).

The spelling of 4631628985 in words is "four billion, six hundred thirty-one million, six hundred twenty-eight thousand, nine hundred eighty-five".