9957682391039 has 8 divisors (see below), whose sum is σ = 9965074560000. Its totient is φ = 9950290616952.

The previous prime is 9957682391009. The next prime is 9957682391117. The reversal of 9957682391039 is 9301932867599.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9957682391039 is a prime.

It is a super-2 number, since 2×9957682391039² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957682391009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67244522 + ... + 67392440.

It is an arithmetic number, because the mean of its divisors is an integer number (1245634320000).

Almost surely, 2^{9957682391039} is an apocalyptic number.

9957682391039 is a deficient number, since it is larger than the sum of its proper divisors (7392168961).

9957682391039 is a wasteful number, since it uses less digits than its factorization.

9957682391039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197437.

The product of its (nonzero) digits is 198404640, while the sum is 71.

The spelling of 9957682391039 in words is "nine trillion, nine hundred fifty-seven billion, six hundred eighty-two million, three hundred ninety-one thousand, thirty-nine".