4121686406 has 8 divisors (see below), whose sum is σ = 6381966144. Its totient is φ = 1994364360.

The previous prime is 4121686403. The next prime is 4121686453. The reversal of 4121686406 is 6046861214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4121686406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121686403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33239345 + ... + 33239468.

It is an arithmetic number, because the mean of its divisors is an integer number (797745768).

Almost surely, 2^4121686406 is an apocalyptic number.

4121686406 is a deficient number, since it is larger than the sum of its proper divisors (2260279738).

4121686406 is a wasteful number, since it uses less digits than its factorization.

4121686406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66478846.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 4121686406 is about 64200.3614164282. The cubic root of 4121686406 is about 1603.3376169690.

The spelling of 4121686406 in words is "four billion, one hundred twenty-one million, six hundred eighty-six thousand, four hundred six".