33442054664413 has 4 divisors (see below), whose sum is σ = 33442083087868. Its totient is φ = 33442026240960.

The previous prime is 33442054664401. The next prime is 33442054664483. The reversal of 33442054664413 is 31446645024433.

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 13396493054884 + 20045561609529 = 3660122^2 + 4477227^2 .

It is a cyclic number.

It is not a de Polignac number, because 33442054664413 - 2³⁷ = 33304615710941 is a prime.

It is a super-2 number, since 2×33442054664413² (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 (33442054664483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12367068 + ... + 14826613.

It is an arithmetic number, because the mean of its divisors is an integer number (8360520771967).

Almost surely, 2^{33442054664413} is an apocalyptic number.

It is an amenable number.

33442054664413 is a deficient number, since it is larger than the sum of its proper divisors (28423455).

33442054664413 is a wasteful number, since it uses less digits than its factorization.

33442054664413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28423454.

The product of its (nonzero) digits is 9953280, while the sum is 49.

Adding to 33442054664413 its reverse (31446645024433), we get a palindrome (64888699688846).

The spelling of 33442054664413 in words is "thirty-three trillion, four hundred forty-two billion, fifty-four million, six hundred sixty-four thousand, four hundred thirteen".