9641154691472 has 80 divisors (see below), whose sum is σ = 19985266694400. Its totient is φ = 4492183639680.

The previous prime is 9641154691463. The next prime is 9641154691547. The reversal of 9641154691472 is 2741964511469.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13731779 + ... + 14416797.

It is an arithmetic number, because the mean of its divisors is an integer number (249815833680).

Almost surely, 2^{9641154691472} 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 9641154691472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9992633347200).

9641154691472 is an abundant number, since it is smaller than the sum of its proper divisors (10344112002928).

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

9641154691472 is a wasteful number, since it uses less digits than its factorization.

9641154691472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685804 (or 685798 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The spelling of 9641154691472 in words is "nine trillion, six hundred forty-one billion, one hundred fifty-four million, six hundred ninety-one thousand, four hundred seventy-two".