8208140694069 has 32 divisors (see below), whose sum is σ = 11572771553280. Its totient is φ = 5160434208192.

The previous prime is 8208140694059. The next prime is 8208140694071. The reversal of 8208140694069 is 9604960418028.

It is not a de Polignac number, because 8208140694069 - 2²⁸ = 8207872258613 is a prime.

It is a super-2 number, since 2×8208140694069² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208140694059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296877004 + ... + 296904650.

It is an arithmetic number, because the mean of its divisors is an integer number (361649111040).

Almost surely, 2^{8208140694069} is an apocalyptic number.

It is an amenable number.

8208140694069 is a deficient number, since it is larger than the sum of its proper divisors (3364630859211).

8208140694069 is a wasteful number, since it uses less digits than its factorization.

8208140694069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51249.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 8208140694069 in words is "eight trillion, two hundred eight billion, one hundred forty million, six hundred ninety-four thousand, sixty-nine".