9699057648 has 240 divisors, whose sum is σ = 31917600000. Its totient is φ = 2748170880.

The previous prime is 9699057503. The next prime is 9699057649. The reversal of 9699057648 is 8467509969.

It is a happy number.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9699057649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6469603 + ... + 6471101.

It is an arithmetic number, because the mean of its divisors is an integer number (132990000).

Almost surely, 2^9699057648 is an apocalyptic number.

9699057648 is a gapful number since it is divisible by the number (98) 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 9699057648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15958800000).

9699057648 is an abundant number, since it is smaller than the sum of its proper divisors (22218542352).

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

9699057648 is a wasteful number, since it uses less digits than its factorization.

9699057648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The square root of 9699057648 is about 98483.7938343157. The cubic root of 9699057648 is about 2132.6021704856.

The spelling of 9699057648 in words is "nine billion, six hundred ninety-nine million, fifty-seven thousand, six hundred forty-eight".