9645672686 has 8 divisors (see below), whose sum is σ = 15581471304. Its totient is φ = 4451848920.

The previous prime is 9645672557. The next prime is 9645672703. The reversal of 9645672686 is 6862765469.

It is a happy number.

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

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, 185493680 + ... + 185493731.

It is an arithmetic number, because the mean of its divisors is an integer number (1947683913).

Almost surely, 2^9645672686 is an apocalyptic number.

9645672686 is a deficient number, since it is larger than the sum of its proper divisors (5935798618).

9645672686 is a wasteful number, since it uses less digits than its factorization.

9645672686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370987426.

The product of its digits is 26127360, while the sum is 59.

The square root of 9645672686 is about 98212.3856038534. The cubic root of 9645672686 is about 2128.6822567826.

The spelling of 9645672686 in words is "nine billion, six hundred forty-five million, six hundred seventy-two thousand, six hundred eighty-six".