9839376646 has 16 divisors (see below), whose sum is σ = 16102836288. Its totient is φ = 4471877800.

The previous prime is 9839376619. The next prime is 9839376647. The reversal of 9839376646 is 6466739389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9839376647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185241 + ... + 232363.

It is an arithmetic number, because the mean of its divisors is an integer number (1006427268).

Almost surely, 2^9839376646 is an apocalyptic number.

9839376646 is a deficient number, since it is larger than the sum of its proper divisors (6263459642).

9839376646 is a wasteful number, since it uses less digits than its factorization.

9839376646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56627.

The product of its digits is 35271936, while the sum is 61.

The square root of 9839376646 is about 99193.6320839196. The cubic root of 9839376646 is about 2142.8372886156.

The spelling of 9839376646 in words is "nine billion, eight hundred thirty-nine million, three hundred seventy-six thousand, six hundred forty-six".