33197389441 has 4 divisors (see below), whose sum is σ = 33197756884. Its totient is φ = 33197022000.

The previous prime is 33197389397. The next prime is 33197389447. The reversal of 33197389441 is 14498379133.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7520531841 + 25676857600 = 86721^2 + 160240^2 .

It is a cyclic number.

It is not a de Polignac number, because 33197389441 - 2¹¹ = 33197387393 is a prime.

It is a super-2 number, since 2×33197389441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33197389447) 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, 56491 + ... + 263791.

It is an arithmetic number, because the mean of its divisors is an integer number (8299439221).

Almost surely, 2^33197389441 is an apocalyptic number.

It is an amenable number.

33197389441 is a deficient number, since it is larger than the sum of its proper divisors (367443).

33197389441 is a wasteful number, since it uses less digits than its factorization.

33197389441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367442.

The product of its digits is 1959552, while the sum is 52.

The spelling of 33197389441 in words is "thirty-three billion, one hundred ninety-seven million, three hundred eighty-nine thousand, four hundred forty-one".