33945969952 has 24 divisors (see below), whose sum is σ = 69135651900. Its totient is φ = 16387709184.

The previous prime is 33945969907. The next prime is 33945970001. The reversal of 33945969952 is 25996954933.

It can be written as a sum of positive squares in 2 ways, for example, as 32617804816 + 1328165136 = 180604^2 + 36444^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18288927 + ... + 18290782.

Almost surely, 2^33945969952 is an apocalyptic number.

33945969952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33945969952 is an abundant number, since it is smaller than the sum of its proper divisors (35189681948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33945969952 is a wasteful number, since it uses less digits than its factorization.

33945969952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36579748 (or 36579740 counting only the distinct ones).

The product of its digits is 70858800, while the sum is 64.

The spelling of 33945969952 in words is "thirty-three billion, nine hundred forty-five million, nine hundred sixty-nine thousand, nine hundred fifty-two".