9557922544920 has 192 divisors, whose sum is σ = 31135653843840. Its totient is φ = 2542845312000.

The previous prime is 9557922544901. The next prime is 9557922544949. The reversal of 9557922544920 is 294452297559.

9557922544920 is a `hidden beast` number, since 9 + 5 + 5 + 7 + 92 + 2 + 54 + 492 + 0 = 666.

It is a Cunningham number, because it is equal to 3091589²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278225745 + ... + 278260095.

It is an arithmetic number, because the mean of its divisors is an integer number (162164863770).

Almost surely, 2^{9557922544920} is an apocalyptic number.

9557922544920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9557922544920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15567826921920).

9557922544920 is an abundant number, since it is smaller than the sum of its proper divisors (21577731298920).

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

9557922544920 is a wasteful number, since it uses less digits than its factorization.

9557922544920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36146 (or 36139 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 63.

The spelling of 9557922544920 in words is "nine trillion, five hundred fifty-seven billion, nine hundred twenty-two million, five hundred forty-four thousand, nine hundred twenty".