8940919705 has 4 divisors (see below), whose sum is σ = 10729103652. Its totient is φ = 7152735760.

The previous prime is 8940919639. The next prime is 8940919717. The reversal of 8940919705 is 5079190498.

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 1878702336 + 7062217369 = 43344^2 + 84037^2 .

It is not a de Polignac number, because 8940919705 - 2⁹ = 8940919193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894091966 + ... + 894091975.

It is an arithmetic number, because the mean of its divisors is an integer number (2682275913).

Almost surely, 2^8940919705 is an apocalyptic number.

It is an amenable number.

8940919705 is a deficient number, since it is larger than the sum of its proper divisors (1788183947).

8940919705 is a wasteful number, since it uses less digits than its factorization.

8940919705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788183946.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 8940919705 is about 94556.4366132735. The cubic root of 8940919705 is about 2075.5222727534.

The spelling of 8940919705 in words is "eight billion, nine hundred forty million, nine hundred nineteen thousand, seven hundred five".