9709945764 has 48 divisors (see below), whose sum is σ = 23462611200. Its totient is φ = 3121732096.

The previous prime is 9709945747. The next prime is 9709945781. The reversal of 9709945764 is 4675499079.

It is an interprime number because it is at equal distance from previous prime (9709945747) and next prime (9709945781).

It is a junction number, because it is equal to n+sod(n) for n = 9709945698 and 9709945707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325717 + ... + 354275.

It is an arithmetic number, because the mean of its divisors is an integer number (488804400).

Almost surely, 2^9709945764 is an apocalyptic number.

It is an amenable number.

9709945764 is an abundant number, since it is smaller than the sum of its proper divisors (13752665436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9709945764 is a wasteful number, since it uses less digits than its factorization.

9709945764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29572 (or 29570 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The square root of 9709945764 is about 98539.0570484618. The cubic root of 9709945764 is about 2133.3998884076.

The spelling of 9709945764 in words is "nine billion, seven hundred nine million, nine hundred forty-five thousand, seven hundred sixty-four".