9747417231552 has 448 divisors, whose sum is σ = 35432501981184. Its totient is φ = 2282691317760.

The previous prime is 9747417231529. The next prime is 9747417231571. The reversal of 9747417231552 is 2551327147479.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a junction number, because it is equal to n+sod(n) for n = 9747417231492 and 9747417231501.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7674523 + ... + 8853989.

It is an arithmetic number, because the mean of its divisors is an integer number (79090406208).

Almost surely, 2^{9747417231552} 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 9747417231552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17716250990592).

9747417231552 is an abundant number, since it is smaller than the sum of its proper divisors (25685084749632).

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

9747417231552 is a wasteful number, since it uses less digits than its factorization.

9747417231552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179556 (or 1179546 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 9747417231552 in words is "nine trillion, seven hundred forty-seven billion, four hundred seventeen million, two hundred thirty-one thousand, five hundred fifty-two".