9899930141 has 4 divisors (see below), whose sum is σ = 9971152800. Its totient is φ = 9828707484.

The previous prime is 9899930137. The next prime is 9899930143. The reversal of 9899930141 is 1410399989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9899930141 - 2² = 9899930137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899930143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35611121 + ... + 35611398.

It is an arithmetic number, because the mean of its divisors is an integer number (2492788200).

Almost surely, 2^9899930141 is an apocalyptic number.

It is an amenable number.

9899930141 is a deficient number, since it is larger than the sum of its proper divisors (71222659).

9899930141 is a wasteful number, since it uses less digits than its factorization.

9899930141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71222658.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 9899930141 is about 99498.3926553590. The cubic root of 9899930141 is about 2147.2241183915.

The spelling of 9899930141 in words is "nine billion, eight hundred ninety-nine million, nine hundred thirty thousand, one hundred forty-one".