33947424142 has 4 divisors (see below), whose sum is σ = 50921136216. Its totient is φ = 16973712070.

The previous prime is 33947424139. The next prime is 33947424143. The reversal of 33947424142 is 24142474933.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33947424143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8486856034 + ... + 8486856037.

It is an arithmetic number, because the mean of its divisors is an integer number (12730284054).

Almost surely, 2^33947424142 is an apocalyptic number.

33947424142 is a deficient number, since it is larger than the sum of its proper divisors (16973712074).

33947424142 is a wasteful number, since it uses less digits than its factorization.

33947424142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16973712073.

The product of its digits is 580608, while the sum is 43.

The spelling of 33947424142 in words is "thirty-three billion, nine hundred forty-seven million, four hundred twenty-four thousand, one hundred forty-two".