9481520641 has 8 divisors (see below), whose sum is σ = 9715860000. Its totient is φ = 9247328160.

The previous prime is 9481520627. The next prime is 9481520663. The reversal of 9481520641 is 1460251849.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9481520641 - 2²⁹ = 8944649729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9481520594 and 9481520603.

It is not an unprimeable number, because it can be changed into a prime (9481520341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100210 + ... + 170308.

It is an arithmetic number, because the mean of its divisors is an integer number (1214482500).

Almost surely, 2^9481520641 is an apocalyptic number.

It is an amenable number.

9481520641 is a deficient number, since it is larger than the sum of its proper divisors (234339359).

9481520641 is a wasteful number, since it uses less digits than its factorization.

9481520641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73439.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 9481520641 is about 97373.1001919935. The cubic root of 9481520641 is about 2116.5376497908.

The spelling of 9481520641 in words is "nine billion, four hundred eighty-one million, five hundred twenty thousand, six hundred forty-one".