4686128973 has 24 divisors (see below), whose sum is σ = 7162076480. Its totient is φ = 2944304640.

The previous prime is 4686128971. The next prime is 4686128983. The reversal of 4686128973 is 3798216864.

It is not a de Polignac number, because 4686128973 - 2¹ = 4686128971 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4686128971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37993 + ... + 103998.

Almost surely, 2^4686128973 is an apocalyptic number.

It is an amenable number.

4686128973 is a deficient number, since it is larger than the sum of its proper divisors (2475947507).

4686128973 is a wasteful number, since it uses less digits than its factorization.

4686128973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142209 (or 142206 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 4686128973 is about 68455.3063903742. The cubic root of 4686128973 is about 1673.4191929573.

The spelling of 4686128973 in words is "four billion, six hundred eighty-six million, one hundred twenty-eight thousand, nine hundred seventy-three".