9619649536 has 352 divisors, whose sum is σ = 25090652160. Its totient is φ = 3591143424.

The previous prime is 9619649483. The next prime is 9619649579. The reversal of 9619649536 is 6359469169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115899351 + ... + 115899433.

Almost surely, 2^9619649536 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 9619649536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12545326080).

9619649536 is an abundant number, since it is smaller than the sum of its proper divisors (15471002624).

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

9619649536 is a wasteful number, since it uses less digits than its factorization.

9619649536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 171 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 58.

The square root of 9619649536 is about 98079.8120715981. The cubic root of 9619649536 is about 2126.7662020850.

The spelling of 9619649536 in words is "nine billion, six hundred nineteen million, six hundred forty-nine thousand, five hundred thirty-six".