9701860644 has 384 divisors, whose sum is σ = 31288320000. Its totient is φ = 2592995328.

The previous prime is 9701860631. The next prime is 9701860661. The reversal of 9701860644 is 4460681079.

It is a self number, because there is not a number n which added to its sum of digits gives 9701860644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 50268612 + ... + 50268804.

It is an arithmetic number, because the mean of its divisors is an integer number (81480000).

Almost surely, 2^9701860644 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 9701860644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15644160000).

9701860644 is an abundant number, since it is smaller than the sum of its proper divisors (21586459356).

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

9701860644 is a wasteful number, since it uses less digits than its factorization.

9701860644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 9701860644 is about 98498.0235537749. The cubic root of 9701860644 is about 2132.8075890538.

The spelling of 9701860644 in words is "nine billion, seven hundred one million, eight hundred sixty thousand, six hundred forty-four".