9671994946 has 8 divisors (see below), whose sum is σ = 14527059084. Its totient is φ = 4829641920.

The previous prime is 9671994931. The next prime is 9671994949. The reversal of 9671994946 is 6494991769.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5135298921 + 4536696025 = 71661^2 + 67355^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9671994949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175875 + ... + 3178918.

Almost surely, 2^9671994946 is an apocalyptic number.

9671994946 is a deficient number, since it is larger than the sum of its proper divisors (4855064138).

9671994946 is a wasteful number, since it uses less digits than its factorization.

9671994946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355556.

The product of its digits is 26453952, while the sum is 64.

The square root of 9671994946 is about 98346.3011302408. The cubic root of 9671994946 is about 2130.6168319401.

The spelling of 9671994946 in words is "nine billion, six hundred seventy-one million, nine hundred ninety-four thousand, nine hundred forty-six".