9994926505 has 16 divisors (see below), whose sum is σ = 12141740160. Its totient is φ = 7897583232.

The previous prime is 9994926377. The next prime is 9994926527. The reversal of 9994926505 is 5056294999.

It is a cyclic number.

It is not a de Polignac number, because 9994926505 - 2⁷ = 9994926377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9994926505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418702 + ... + 441928.

It is an arithmetic number, because the mean of its divisors is an integer number (758858760).

Almost surely, 2^9994926505 is an apocalyptic number.

It is an amenable number.

9994926505 is a deficient number, since it is larger than the sum of its proper divisors (2146813655).

9994926505 is a wasteful number, since it uses less digits than its factorization.

9994926505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24288.

The product of its (nonzero) digits is 7873200, while the sum is 58.

The square root of 9994926505 is about 99974.6293066396. The cubic root of 9994926505 is about 2154.0702779426.

The spelling of 9994926505 in words is "nine billion, nine hundred ninety-four million, nine hundred twenty-six thousand, five hundred five".