99469081402171 has 4 divisors (see below), whose sum is σ = 107120549202352. Its totient is φ = 91817613601992.

The previous prime is 99469081402151. The next prime is 99469081402193. The reversal of 99469081402171 is 17120418096499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99469081402171 - 2⁵ = 99469081402139 is a prime.

It is a super-2 number, since 2×99469081402171² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99469081402151) 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, 3825733900071 + ... + 3825733900096.

It is an arithmetic number, because the mean of its divisors is an integer number (26780137300588).

Almost surely, 2^{99469081402171} is an apocalyptic number.

99469081402171 is a deficient number, since it is larger than the sum of its proper divisors (7651467800181).

99469081402171 is a wasteful number, since it uses less digits than its factorization.

99469081402171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651467800180.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 99469081402171 in words is "ninety-nine trillion, four hundred sixty-nine billion, eighty-one million, four hundred two thousand, one hundred seventy-one".