10381989660 has 288 divisors, whose sum is σ = 35463681792. Its totient is φ = 2260177920.

The previous prime is 10381989643. The next prime is 10381989691. The reversal of 10381989660 is 6698918301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5182219 + ... + 5184221.

It is an arithmetic number, because the mean of its divisors is an integer number (123137784).

Almost surely, 2^10381989660 is an apocalyptic number.

10381989660 is a gapful number since it is divisible by the number (10) 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 10381989660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17731840896).

10381989660 is an abundant number, since it is smaller than the sum of its proper divisors (25081692132).

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

10381989660 is a wasteful number, since it uses less digits than its factorization.

10381989660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 10381989660 in words is "ten billion, three hundred eighty-one million, nine hundred eighty-nine thousand, six hundred sixty".