9709945763 has 16 divisors (see below), whose sum is σ = 11683875840. Its totient is φ = 7882920000.

The previous prime is 9709945747. The next prime is 9709945781. The reversal of 9709945763 is 3675499079.

It is a cyclic number.

It is not a de Polignac number, because 9709945763 - 2⁴ = 9709945747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9709945723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074263 + ... + 1083263.

It is an arithmetic number, because the mean of its divisors is an integer number (730242240).

Almost surely, 2^9709945763 is an apocalyptic number.

9709945763 is a deficient number, since it is larger than the sum of its proper divisors (1973930077).

9709945763 is a wasteful number, since it uses less digits than its factorization.

9709945763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138.

The product of its (nonzero) digits is 12859560, while the sum is 59.

The square root of 9709945763 is about 98539.0570433876. The cubic root of 9709945763 is about 2133.3998883343.

The spelling of 9709945763 in words is "nine billion, seven hundred nine million, nine hundred forty-five thousand, seven hundred sixty-three".