849836638948 has 24 divisors (see below), whose sum is σ = 1638478929024. Its totient is φ = 382464732000.

The previous prime is 849836638939. The next prime is 849836638949.

849836638948 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (849836638949) 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 7 ways as a sum of consecutive naturals, for example, 95611740 + ... + 95620627.

It is an arithmetic number, because the mean of its divisors is an integer number (68269955376).

Almost surely, 2^849836638948 is an apocalyptic number.

It is an amenable number.

849836638948 is a deficient number, since it is larger than the sum of its proper divisors (788642290076).

849836638948 is a wasteful number, since it uses less digits than its factorization.

849836638948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191232483 (or 191232481 counting only the distinct ones).

The product of its digits is 1719926784, while the sum is 76.

The spelling of 849836638948 in words is "eight hundred forty-nine billion, eight hundred thirty-six million, six hundred thirty-eight thousand, nine hundred forty-eight".