33868137742 has 8 divisors (see below), whose sum is σ = 51024051000. Its totient is φ = 16860120744.

The previous prime is 33868137733. The next prime is 33868137761. The reversal of 33868137742 is 24773186833.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33868137742² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33868137742.

It is a congruent number.

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, 36973492 + ... + 36974407.

It is an arithmetic number, because the mean of its divisors is an integer number (6378006375).

Almost surely, 2^33868137742 is an apocalyptic number.

33868137742 is a deficient number, since it is larger than the sum of its proper divisors (17155913258).

33868137742 is a wasteful number, since it uses less digits than its factorization.

33868137742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73948130.

The product of its digits is 4064256, while the sum is 52.

The spelling of 33868137742 in words is "thirty-three billion, eight hundred sixty-eight million, one hundred thirty-seven thousand, seven hundred forty-two".