33442116447 has 16 divisors (see below), whose sum is σ = 45543312000. Its totient is φ = 21821133984.

The previous prime is 33442116401. The next prime is 33442116511. The reversal of 33442116447 is 74461124433.

It is not a de Polignac number, because 33442116447 - 2¹⁰ = 33442115423 is a prime.

It is a super-2 number, since 2×33442116447² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33442116647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371997 + ... + 453062.

It is an arithmetic number, because the mean of its divisors is an integer number (2846457000).

Almost surely, 2^33442116447 is an apocalyptic number.

33442116447 is a deficient number, since it is larger than the sum of its proper divisors (12101195553).

33442116447 is a wasteful number, since it uses less digits than its factorization.

33442116447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825350.

The product of its digits is 193536, while the sum is 39.

The spelling of 33442116447 in words is "thirty-three billion, four hundred forty-two million, one hundred sixteen thousand, four hundred forty-seven".