9626720493936 has 160 divisors (see below), whose sum is σ = 30637507962880. Its totient is φ = 2536470484992.

The previous prime is 9626720493899. The next prime is 9626720494003. The reversal of 9626720493936 is 6393940276269.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3477756 + ... + 5598948.

It is an arithmetic number, because the mean of its divisors is an integer number (191484424768).

Almost surely, 2^{9626720493936} 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 9626720493936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15318753981440).

9626720493936 is an abundant number, since it is smaller than the sum of its proper divisors (21010787468944).

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

9626720493936 is a wasteful number, since it uses less digits than its factorization.

9626720493936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122263 (or 2122257 counting only the distinct ones).

The product of its (nonzero) digits is 158723712, while the sum is 66.

The spelling of 9626720493936 in words is "nine trillion, six hundred twenty-six billion, seven hundred twenty million, four hundred ninety-three thousand, nine hundred thirty-six".