9622635280664 has 128 divisors (see below), whose sum is σ = 21789702336000. Its totient is φ = 3891732977664.

The previous prime is 9622635280663. The next prime is 9622635280717. The reversal of 9622635280664 is 4660825362269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9622635280663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1442022032 + ... + 1442028704.

It is an arithmetic number, because the mean of its divisors is an integer number (170232049500).

Almost surely, 2^{9622635280664} 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 9622635280664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10894851168000).

9622635280664 is an abundant number, since it is smaller than the sum of its proper divisors (12167067055336).

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

9622635280664 is a wasteful number, since it uses less digits than its factorization.

9622635280664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11777 (or 11773 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 59.

The spelling of 9622635280664 in words is "nine trillion, six hundred twenty-two billion, six hundred thirty-five million, two hundred eighty thousand, six hundred sixty-four".