9486744644 has 24 divisors (see below), whose sum is σ = 18171967128. Its totient is φ = 4306717440.

The previous prime is 9486744629. The next prime is 9486744649. The reversal of 9486744644 is 4464476849.

It can be written as a sum of positive squares in 4 ways, for example, as 301439044 + 9185305600 = 17362^2 + 95840^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9486744644.

It is not an unprimeable number, because it can be changed into a prime (9486744649) 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, 1492217 + ... + 1498560.

It is an arithmetic number, because the mean of its divisors is an integer number (757165297).

Almost surely, 2^9486744644 is an apocalyptic number.

It is an amenable number.

9486744644 is a deficient number, since it is larger than the sum of its proper divisors (8685222484).

9486744644 is a wasteful number, since it uses less digits than its factorization.

9486744644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990855 (or 2990853 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 56.

The square root of 9486744644 is about 97399.9211703993. The cubic root of 9486744644 is about 2116.9262924087.

The spelling of 9486744644 in words is "nine billion, four hundred eighty-six million, seven hundred forty-four thousand, six hundred forty-four".