9902529481 has 12 divisors (see below), whose sum is σ = 10725791040. Its totient is φ = 9138295920.

The previous prime is 9902529467. The next prime is 9902529493. The reversal of 9902529481 is 1849252099.

It is not a de Polignac number, because 9902529481 - 2⁷ = 9902529353 is a prime.

It is a super-2 number, since 2×9902529481² (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 (9902529881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947796 + ... + 958186.

It is an arithmetic number, because the mean of its divisors is an integer number (893815920).

Almost surely, 2^9902529481 is an apocalyptic number.

It is an amenable number.

9902529481 is a deficient number, since it is larger than the sum of its proper divisors (823261559).

9902529481 is a wasteful number, since it uses less digits than its factorization.

9902529481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16056 (or 16043 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 9902529481 is about 99511.4540191228. The cubic root of 9902529481 is about 2147.4120280383.

The spelling of 9902529481 in words is "nine billion, nine hundred two million, five hundred twenty-nine thousand, four hundred eighty-one".