9744945890 has 16 divisors (see below), whose sum is σ = 17542146240. Its totient is φ = 3897702000.

The previous prime is 9744945827. The next prime is 9744945911. The reversal of 9744945890 is 985494479.

It is an unprimeable number.

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, 172841 + ... + 222179.

It is an arithmetic number, because the mean of its divisors is an integer number (1096384140).

Almost surely, 2^9744945890 is an apocalyptic number.

9744945890 is a deficient number, since it is larger than the sum of its proper divisors (7797200350).

9744945890 is a wasteful number, since it uses less digits than its factorization.

9744945890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69097.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The square root of 9744945890 is about 98716.4924923895. The cubic root of 9744945890 is about 2135.9601405181.

The spelling of 9744945890 in words is "nine billion, seven hundred forty-four million, nine hundred forty-five thousand, eight hundred ninety".