4069665229686 has 64 divisors (see below), whose sum is σ = 9392464012800. Its totient is φ = 1151476425216.

The previous prime is 4069665229667. The next prime is 4069665229687. The reversal of 4069665229686 is 6869225669604.

It is a self number, because there is not a number n which added to its sum of digits gives 4069665229686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069665229687) 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, 8337285 + ... + 8811903.

It is an arithmetic number, because the mean of its divisors is an integer number (146757250200).

Almost surely, 2^{4069665229686} is an apocalyptic number.

4069665229686 is an abundant number, since it is smaller than the sum of its proper divisors (5322798783114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4069665229686 is a wasteful number, since it uses less digits than its factorization.

4069665229686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476613.

The product of its (nonzero) digits is 403107840, while the sum is 69.

The spelling of 4069665229686 in words is "four trillion, sixty-nine billion, six hundred sixty-five million, two hundred twenty-nine thousand, six hundred eighty-six".