9446667649 has 8 divisors (see below), whose sum is σ = 9622801440. Its totient is φ = 9271068000.

The previous prime is 9446667623. The next prime is 9446667653. The reversal of 9446667649 is 9467666449.

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

It is a cyclic number.

It is not a de Polignac number, because 9446667649 - 2¹⁵ = 9446634881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9446667749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97747 + ... + 168664.

It is an arithmetic number, because the mean of its divisors is an integer number (1202850180).

Almost surely, 2^9446667649 is an apocalyptic number.

It is an amenable number.

9446667649 is a deficient number, since it is larger than the sum of its proper divisors (176133791).

9446667649 is a wasteful number, since it uses less digits than its factorization.

9446667649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267071.

The product of its digits is 47029248, while the sum is 61.

The square root of 9446667649 is about 97193.9692007688. The cubic root of 9446667649 is about 2113.9410816945.

The spelling of 9446667649 in words is "nine billion, four hundred forty-six million, six hundred sixty-seven thousand, six hundred forty-nine".