9613543680 has 432 divisors, whose sum is σ = 37391268096. Its totient is φ = 2262712320.

The previous prime is 9613543663. The next prime is 9613543691. The reversal of 9613543680 is 863453169.

9613543680 is a `hidden beast` number, since 9 + 6 + 135 + 436 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3443085 + ... + 3445875.

Almost surely, 2^9613543680 is an apocalyptic number.

9613543680 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 9613543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18695634048).

9613543680 is an abundant number, since it is smaller than the sum of its proper divisors (27777724416).

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

9613543680 is a wasteful number, since it uses less digits than its factorization.

9613543680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 9613543680 is about 98048.6801542989. The cubic root of 9613543680 is about 2126.3161345241.

The spelling of 9613543680 in words is "nine billion, six hundred thirteen million, five hundred forty-three thousand, six hundred eighty".