3426213173445 has 72 divisors (see below), whose sum is σ = 6159875724288. Its totient is φ = 1761638408640.

The previous prime is 3426213173429. The next prime is 3426213173521. The reversal of 3426213173445 is 5443713126243.

3426213173445 is a `hidden beast` number, since 3 + 4 + 2 + 6 + 2 + 131 + 73 + 445 = 666.

It is not a de Polignac number, because 3426213173445 - 2⁴ = 3426213173429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3426213173445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11222812 + ... + 11524058.

It is an arithmetic number, because the mean of its divisors is an integer number (85553829504).

Almost surely, 2^{3426213173445} is an apocalyptic number.

It is an amenable number.

3426213173445 is a deficient number, since it is larger than the sum of its proper divisors (2733662550843).

3426213173445 is a wasteful number, since it uses less digits than its factorization.

3426213173445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301583 (or 301549 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

Adding to 3426213173445 its reverse (5443713126243), we get a palindrome (8869926299688).

The spelling of 3426213173445 in words is "three trillion, four hundred twenty-six billion, two hundred thirteen million, one hundred seventy-three thousand, four hundred forty-five".