9490005521 has 8 divisors (see below), whose sum is σ = 9655614144. Its totient is φ = 9324720720.

The previous prime is 9490005463. The next prime is 9490005533. The reversal of 9490005521 is 1255000949.

9490005521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9490005521 is a prime.

It is a super-2 number, since 2×9490005521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9490025521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21455 + ... + 139428.

It is an arithmetic number, because the mean of its divisors is an integer number (1206951768).

Almost surely, 2^9490005521 is an apocalyptic number.

It is an amenable number.

9490005521 is a deficient number, since it is larger than the sum of its proper divisors (165608623).

9490005521 is a wasteful number, since it uses less digits than its factorization.

9490005521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161911.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 9490005521 is about 97416.6593607069. The cubic root of 9490005521 is about 2117.1688148524.

The spelling of 9490005521 in words is "nine billion, four hundred ninety million, five thousand, five hundred twenty-one".