33445443144213 has 12 divisors (see below), whose sum is σ = 48318834855148. Its totient is φ = 22292923489920.

The previous prime is 33445443144133. The next prime is 33445443144271. The reversal of 33445443144213 is 31244134454433.

33445443144213 is a `hidden beast` number, since 3 + 3 + 4 + 45 + 443 + 144 + 21 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3886898996484 + 29558544147729 = 1971522^2 + 5436777^2 .

It is not a de Polignac number, because 33445443144213 - 2¹⁴ = 33445443127829 is a prime.

It is a super-2 number, since 2×33445443144213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33445443144293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336498070 + ... + 336597447.

Almost surely, 2^{33445443144213} is an apocalyptic number.

It is an amenable number.

33445443144213 is a deficient number, since it is larger than the sum of its proper divisors (14873391710935).

33445443144213 is a wasteful number, since it uses less digits than its factorization.

33445443144213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673101044 (or 673101041 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 45.

Adding to 33445443144213 its reverse (31244134454433), we get a palindrome (64689577598646).

The spelling of 33445443144213 in words is "thirty-three trillion, four hundred forty-five billion, four hundred forty-three million, one hundred forty-four thousand, two hundred thirteen".