9902241873 has 32 divisors (see below), whose sum is σ = 14773046400. Its totient is φ = 6555230208.

The previous prime is 9902241871. The next prime is 9902241887. The reversal of 9902241873 is 3781422099.

It is not a de Polignac number, because 9902241873 - 2¹ = 9902241871 is a prime.

It is a super-2 number, since 2×9902241873² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9902241871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5571561 + ... + 5573337.

It is an arithmetic number, because the mean of its divisors is an integer number (461657700).

Almost surely, 2^9902241873 is an apocalyptic number.

It is an amenable number.

9902241873 is a deficient number, since it is larger than the sum of its proper divisors (4870804527).

9902241873 is a wasteful number, since it uses less digits than its factorization.

9902241873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9902241873 is about 99510.0089086520. The cubic root of 9902241873 is about 2147.3912381024.

The spelling of 9902241873 in words is "nine billion, nine hundred two million, two hundred forty-one thousand, eight hundred seventy-three".