9671724646 has 8 divisors (see below), whose sum is σ = 14510076480. Its totient is φ = 4835032488.

The previous prime is 9671724637. The next prime is 9671724709. The reversal of 9671724646 is 6464271769.

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

It is a junction number, because it is equal to n+sod(n) for n = 9671724593 and 9671724602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400246 + ... + 423721.

It is an arithmetic number, because the mean of its divisors is an integer number (1813759560).

Almost surely, 2^9671724646 is an apocalyptic number.

9671724646 is a deficient number, since it is larger than the sum of its proper divisors (4838351834).

9671724646 is a wasteful number, since it uses less digits than its factorization.

9671724646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829838.

The product of its digits is 3048192, while the sum is 52.

The square root of 9671724646 is about 98344.9268950870. The cubic root of 9671724646 is about 2130.5969838772.

The spelling of 9671724646 in words is "nine billion, six hundred seventy-one million, seven hundred twenty-four thousand, six hundred forty-six".