9959070505 has 4 divisors (see below), whose sum is σ = 11950884612. Its totient is φ = 7967256400.

The previous prime is 9959070503. The next prime is 9959070581. The reversal of 9959070505 is 5050709599.

It is a happy number.

9959070505 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7473948304 + 2485122201 = 86452^2 + 49851^2 .

It is not a de Polignac number, because 9959070505 - 2¹ = 9959070503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9959070503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995907046 + ... + 995907055.

It is an arithmetic number, because the mean of its divisors is an integer number (2987721153).

Almost surely, 2^9959070505 is an apocalyptic number.

It is an amenable number.

9959070505 is a deficient number, since it is larger than the sum of its proper divisors (1991814107).

9959070505 is a wasteful number, since it uses less digits than its factorization.

9959070505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991814106.

The product of its (nonzero) digits is 637875, while the sum is 49.

The square root of 9959070505 is about 99795.1426924177. The cubic root of 9959070505 is about 2151.4913399151.

The spelling of 9959070505 in words is "nine billion, nine hundred fifty-nine million, seventy thousand, five hundred five".