3421234643566 has 8 divisors (see below), whose sum is σ = 5251197360024. Its totient is φ = 1670835523560.

The previous prime is 3421234643537. The next prime is 3421234643587. The reversal of 3421234643566 is 6653464321243.

3421234643566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent 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, 19890899005 + ... + 19890899176.

It is an arithmetic number, because the mean of its divisors is an integer number (656399670003).

Almost surely, 2^{3421234643566} is an apocalyptic number.

3421234643566 is a deficient number, since it is larger than the sum of its proper divisors (1829962716458).

3421234643566 is a wasteful number, since it uses less digits than its factorization.

3421234643566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39781798226.

The product of its digits is 7464960, while the sum is 49.

The spelling of 3421234643566 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred forty-three thousand, five hundred sixty-six".