33389945552 has 10 divisors (see below), whose sum is σ = 64693019538. Its totient is φ = 16694972768.

The previous prime is 33389945551. The next prime is 33389945573. The reversal of 33389945552 is 25554998333.

It can be written as a sum of positive squares in only one way, i.e., 27601170496 + 5788775056 = 166136^2 + 76084^2 .

It is a super-2 number, since 2×33389945552² (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 (33389945551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043435783 + ... + 1043435814.

Almost surely, 2^33389945552 is an apocalyptic number.

It is an amenable number.

33389945552 is a deficient number, since it is larger than the sum of its proper divisors (31303073986).

33389945552 is a wasteful number, since it uses less digits than its factorization.

33389945552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086871605 (or 2086871599 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 56.

The spelling of 33389945552 in words is "thirty-three billion, three hundred eighty-nine million, nine hundred forty-five thousand, five hundred fifty-two".