9641537460 has 144 divisors (see below), whose sum is σ = 31658356800. Its totient is φ = 2435707584.

The previous prime is 9641537449. The next prime is 9641537473. The reversal of 9641537460 is 647351469.

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

It is a congruent number.

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, 170211 + ... + 219669.

It is an arithmetic number, because the mean of its divisors is an integer number (219849700).

Almost surely, 2^9641537460 is an apocalyptic number.

9641537460 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 9641537460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15829178400).

9641537460 is an abundant number, since it is smaller than the sum of its proper divisors (22016819340).

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

9641537460 is a wasteful number, since it uses less digits than its factorization.

9641537460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49515 (or 49488 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 9641537460 is about 98191.3308800731. The cubic root of 9641537460 is about 2128.3780153288.

The spelling of 9641537460 in words is "nine billion, six hundred forty-one million, five hundred thirty-seven thousand, four hundred sixty".