9709049745 has 32 divisors (see below), whose sum is σ = 17266554240. Its totient is φ = 5176353600.

The previous prime is 9709049737. The next prime is 9709049767. The reversal of 9709049745 is 5479409079.

9709049745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9709049745 - 2³ = 9709049737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9709049691 and 9709049700.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434742 + ... + 456528.

It is an arithmetic number, because the mean of its divisors is an integer number (539579820).

Almost surely, 2^9709049745 is an apocalyptic number.

It is an amenable number.

9709049745 is a deficient number, since it is larger than the sum of its proper divisors (7557504495).

9709049745 is a wasteful number, since it uses less digits than its factorization.

9709049745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102 (or 25096 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 9709049745 is about 98534.5104265506. The cubic root of 9709049745 is about 2133.3342640919.

The spelling of 9709049745 in words is "nine billion, seven hundred nine million, forty-nine thousand, seven hundred forty-five".