9699049620 has 192 divisors, whose sum is σ = 32909184000. Its totient is φ = 2357102592.

The previous prime is 9699049601. The next prime is 9699049637. The reversal of 9699049620 is 269409969.

9699049620 is a `hidden beast` number, since 9 + 6 + 9 + 9 + 0 + 4 + 9 + 620 = 666.

It is a super-4 number, since 4×9699049620⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 545836 + ... + 563324.

It is an arithmetic number, because the mean of its divisors is an integer number (171402000).

Almost surely, 2^9699049620 is an apocalyptic number.

9699049620 is a gapful number since it is divisible by the number (90) 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 9699049620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16454592000).

9699049620 is an abundant number, since it is smaller than the sum of its proper divisors (23210134380).

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

9699049620 is a wasteful number, since it uses less digits than its factorization.

9699049620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17599 (or 17591 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The square root of 9699049620 is about 98483.7530763323. The cubic root of 9699049620 is about 2132.6015820939.

The spelling of 9699049620 in words is "nine billion, six hundred ninety-nine million, forty-nine thousand, six hundred twenty".