3406228142521 has 4 divisors (see below), whose sum is σ = 3427923863332. Its totient is φ = 3384532421712.

The previous prime is 3406228142519. The next prime is 3406228142533. The reversal of 3406228142521 is 1252418226043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2611491552121 + 794736590400 = 1616011^2 + 891480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3406228142521 - 2¹ = 3406228142519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406228149521) 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, 10847860170 + ... + 10847860483.

It is an arithmetic number, because the mean of its divisors is an integer number (856980965833).

Almost surely, 2^{3406228142521} is an apocalyptic number.

It is an amenable number.

3406228142521 is a deficient number, since it is larger than the sum of its proper divisors (21695720811).

3406228142521 is a wasteful number, since it uses less digits than its factorization.

3406228142521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21695720810.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 3406228142521 in words is "three trillion, four hundred six billion, two hundred twenty-eight million, one hundred forty-two thousand, five hundred twenty-one".