9865929946 has 8 divisors (see below), whose sum is σ = 14951461140. Its totient is φ = 4882109568.

The previous prime is 9865929883. The next prime is 9865929961. The reversal of 9865929946 is 6499295689.

It can be written as a sum of positive squares in 2 ways, for example, as 9714270721 + 151659225 = 98561^2 + 12315^2 .

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

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, 25427461 + ... + 25427848.

Almost surely, 2^9865929946 is an apocalyptic number.

9865929946 is a deficient number, since it is larger than the sum of its proper divisors (5085531194).

9865929946 is a wasteful number, since it uses less digits than its factorization.

9865929946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50855408.

The product of its digits is 75582720, while the sum is 67.

The square root of 9865929946 is about 99327.3876934252. The cubic root of 9865929946 is about 2144.7631658215.

The spelling of 9865929946 in words is "nine billion, eight hundred sixty-five million, nine hundred twenty-nine thousand, nine hundred forty-six".