8643692913 has 16 divisors (see below), whose sum is σ = 11650516416. Its totient is φ = 5699966720.

The previous prime is 8643692909. The next prime is 8643692927. The reversal of 8643692913 is 3192963468.

It is a cyclic number.

It is not a de Polignac number, because 8643692913 - 2² = 8643692909 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8643692963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78070 + ... + 152912.

It is an arithmetic number, because the mean of its divisors is an integer number (728157276).

Almost surely, 2^8643692913 is an apocalyptic number.

It is an amenable number.

8643692913 is a deficient number, since it is larger than the sum of its proper divisors (3006823503).

8643692913 is a wasteful number, since it uses less digits than its factorization.

8643692913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75264.

The product of its digits is 1679616, while the sum is 51.

The square root of 8643692913 is about 92971.4628958800. The cubic root of 8643692913 is about 2052.2634458697.

The spelling of 8643692913 in words is "eight billion, six hundred forty-three million, six hundred ninety-two thousand, nine hundred thirteen".