9638666246 has 16 divisors (see below), whose sum is σ = 15774239808. Its totient is φ = 4380690600.

The previous prime is 9638666201. The next prime is 9638666263. The reversal of 9638666246 is 6426668369.

It is a junction number, because it is equal to n+sod(n) for n = 9638666191 and 9638666200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210881 + ... + 252483.

It is an arithmetic number, because the mean of its divisors is an integer number (985889988).

Almost surely, 2^9638666246 is an apocalyptic number.

9638666246 is a deficient number, since it is larger than the sum of its proper divisors (6135573562).

9638666246 is a wasteful number, since it uses less digits than its factorization.

9638666246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52147.

The product of its digits is 13436928, while the sum is 56.

The square root of 9638666246 is about 98176.7092848401. The cubic root of 9638666246 is about 2128.1667200005.

The spelling of 9638666246 in words is "nine billion, six hundred thirty-eight million, six hundred sixty-six thousand, two hundred forty-six".