33685142944 has 12 divisors (see below), whose sum is σ = 66317625234. Its totient is φ = 16842571456.

The previous prime is 33685142941. The next prime is 33685142977. The reversal of 33685142944 is 44924158633.

It can be written as a sum of positive squares in only one way, i.e., 32019523600 + 1665619344 = 178940^2 + 40812^2 .

It is a super-2 number, since 2×33685142944² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33685142941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526330327 + ... + 526330390.

Almost surely, 2^33685142944 is an apocalyptic number.

It is an amenable number.

33685142944 is a deficient number, since it is larger than the sum of its proper divisors (32632482290).

33685142944 is a wasteful number, since it uses less digits than its factorization.

33685142944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052660727 (or 1052660719 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 33685142944 in words is "thirty-three billion, six hundred eighty-five million, one hundred forty-two thousand, nine hundred forty-four".