9936838742 has 32 divisors (see below), whose sum is σ = 16176555360. Its totient is φ = 4560652800.

The previous prime is 9936838711. The next prime is 9936838753. The reversal of 9936838742 is 2478386399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208484 + ... + 251672.

It is an arithmetic number, because the mean of its divisors is an integer number (505517355).

Almost surely, 2^9936838742 is an apocalyptic number.

9936838742 is a deficient number, since it is larger than the sum of its proper divisors (6239716618).

9936838742 is a wasteful number, since it uses less digits than its factorization.

9936838742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43376.

The product of its digits is 15676416, while the sum is 59.

The square root of 9936838742 is about 99683.6934608665. The cubic root of 9936838742 is about 2149.8892131124.

The spelling of 9936838742 in words is "nine billion, nine hundred thirty-six million, eight hundred thirty-eight thousand, seven hundred forty-two".