99249422671 has 4 divisors (see below), whose sum is σ = 113427911632. Its totient is φ = 85070933712.

The previous prime is 99249422669. The next prime is 99249422681. The reversal of 99249422671 is 17622494299.

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 99249422671 - 2¹ = 99249422669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99249422681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7089244470 + ... + 7089244483.

It is an arithmetic number, because the mean of its divisors is an integer number (28356977908).

Almost surely, 2^99249422671 is an apocalyptic number.

99249422671 is a deficient number, since it is larger than the sum of its proper divisors (14178488961).

99249422671 is a wasteful number, since it uses less digits than its factorization.

99249422671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178488960.

The product of its digits is 3919104, while the sum is 55.

The spelling of 99249422671 in words is "ninety-nine billion, two hundred forty-nine million, four hundred twenty-two thousand, six hundred seventy-one".