3420972219660 has 96 divisors (see below), whose sum is σ = 10151163207360. Its totient is φ = 857836167168.

The previous prime is 3420972219647. The next prime is 3420972219689. The reversal of 3420972219660 is 669122790243.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333759 + ... + 2636918.

It is an arithmetic number, because the mean of its divisors is an integer number (105741283410).

Almost surely, 2^{3420972219660} is an apocalyptic number.

3420972219660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3420972219660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5075581603680).

3420972219660 is an abundant number, since it is smaller than the sum of its proper divisors (6730190987700).

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

3420972219660 is a wasteful number, since it uses less digits than its factorization.

3420972219660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971835 (or 2971833 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 3420972219660 in words is "three trillion, four hundred twenty billion, nine hundred seventy-two million, two hundred nineteen thousand, six hundred sixty".