9999047101 has 12 divisors (see below), whose sum is σ = 10341285696. Its totient is φ = 9662355200.

The previous prime is 9999047099. The next prime is 9999047119. The reversal of 9999047101 is 1017409999.

It is a happy number.

It is not a de Polignac number, because 9999047101 - 2¹ = 9999047099 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 (9999047161) 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, 6244701 + ... + 6246301.

It is an arithmetic number, because the mean of its divisors is an integer number (861773808).

Almost surely, 2^9999047101 is an apocalyptic number.

It is an amenable number.

9999047101 is a deficient number, since it is larger than the sum of its proper divisors (342238595).

9999047101 is an frugal number, since it uses more digits than its factorization.

9999047101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 9999047101 is about 99995.2353914925. The cubic root of 9999047101 is about 2154.3662559028.

The spelling of 9999047101 in words is "nine billion, nine hundred ninety-nine million, forty-seven thousand, one hundred one".