3421618795720 has 64 divisors (see below), whose sum is σ = 7793105281920. Its totient is φ = 1351861330944.

The previous prime is 3421618795657. The next prime is 3421618795733. The reversal of 3421618795720 is 275978161243.

3421618795720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15350589 + ... + 15571891.

It is an arithmetic number, because the mean of its divisors is an integer number (121767270030).

It is a 2-persistent number, because it is pandigital, and so is 2⋅3421618795720 = 6843237591440, but 3⋅3421618795720 = 10264856387160 is not.

Almost surely, 2^{3421618795720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421618795720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896552640960).

3421618795720 is an abundant number, since it is smaller than the sum of its proper divisors (4371486486200).

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

3421618795720 is a wasteful number, since it uses less digits than its factorization.

3421618795720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226054 (or 226050 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 3421618795720 in words is "three trillion, four hundred twenty-one billion, six hundred eighteen million, seven hundred ninety-five thousand, seven hundred twenty".