84849397243 has 16 divisors (see below), whose sum is σ = 94233888000. Its totient is φ = 75910534560.

The previous prime is 84849397229. The next prime is 84849397249. The reversal of 84849397243 is 34279394848.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 84849397243 - 2⁵ = 84849397211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84849397249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724593 + ... + 833506.

It is an arithmetic number, because the mean of its divisors is an integer number (5889618000).

Almost surely, 2^84849397243 is an apocalyptic number.

84849397243 is a deficient number, since it is larger than the sum of its proper divisors (9384490757).

84849397243 is a wasteful number, since it uses less digits than its factorization.

84849397243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558242.

The product of its digits is 41803776, while the sum is 61.

The spelling of 84849397243 in words is "eighty-four billion, eight hundred forty-nine million, three hundred ninety-seven thousand, two hundred forty-three".