33929947938 has 16 divisors (see below), whose sum is σ = 68460427296. Its totient is φ = 11209894080.

The previous prime is 33929947897. The next prime is 33929947939. The reversal of 33929947938 is 83974992933.

It is not an unprimeable number, because it can be changed into a prime (33929947939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25021408 + ... + 25022763.

It is an arithmetic number, because the mean of its divisors is an integer number (4278776706).

Almost surely, 2^33929947938 is an apocalyptic number.

33929947938 is an abundant number, since it is smaller than the sum of its proper divisors (34530479358).

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

33929947938 is a wasteful number, since it uses less digits than its factorization.

33929947938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50044289.

The product of its digits is 79361856, while the sum is 66.

The spelling of 33929947938 in words is "thirty-three billion, nine hundred twenty-nine million, nine hundred forty-seven thousand, nine hundred thirty-eight".