9958742107392 has 144 divisors (see below), whose sum is σ = 28549688944448. Its totient is φ = 3063575347200.

The previous prime is 9958742107343. The next prime is 9958742107399. The reversal of 9958742107392 is 2937012478599.

It is a happy number.

It is a super-2 number, since 2×9958742107392² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958742107399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47829303 + ... + 48037065.

Almost surely, 2^{9958742107392} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9958742107392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14274844472224).

9958742107392 is an abundant number, since it is smaller than the sum of its proper divisors (18590946837056).

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

9958742107392 is a wasteful number, since it uses less digits than its factorization.

9958742107392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212596 (or 212582 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 66.

The spelling of 9958742107392 in words is "nine trillion, nine hundred fifty-eight billion, seven hundred forty-two million, one hundred seven thousand, three hundred ninety-two".