33947989532 has 12 divisors (see below), whose sum is σ = 59418761976. Its totient is φ = 16971200400.

The previous prime is 33947989531. The next prime is 33947989549. The reversal of 33947989532 is 23598974933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33947989531) 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, 671138 + ... + 719945.

It is an arithmetic number, because the mean of its divisors is an integer number (4951563498).

Almost surely, 2^33947989532 is an apocalyptic number.

It is an amenable number.

33947989532 is a deficient number, since it is larger than the sum of its proper divisors (25470772444).

33947989532 is a wasteful number, since it uses less digits than its factorization.

33947989532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397188 (or 1397186 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 62.

The spelling of 33947989532 in words is "thirty-three billion, nine hundred forty-seven million, nine hundred eighty-nine thousand, five hundred thirty-two".