9869119650 has 384 divisors, whose sum is σ = 32660409600. Its totient is φ = 2164838400.

The previous prime is 9869119627. The next prime is 9869119681. The reversal of 9869119650 is 569119689.

It is a super-2 number, since 2×9869119650² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5667780 + ... + 5669520.

It is an arithmetic number, because the mean of its divisors is an integer number (85053150).

Almost surely, 2^9869119650 is an apocalyptic number.

9869119650 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9869119650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16330204800).

9869119650 is an abundant number, since it is smaller than the sum of its proper divisors (22791289950).

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

9869119650 is a wasteful number, since it uses less digits than its factorization.

9869119650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 9869119650 is about 99343.4429139639. The cubic root of 9869119650 is about 2144.9942784336.

It can be divided in two parts, 98691 and 19650, that added together give a triangular number (118341 = T₄₈₆).

The spelling of 9869119650 in words is "nine billion, eight hundred sixty-nine million, one hundred nineteen thousand, six hundred fifty".