849037375209 has 8 divisors (see below), whose sum is σ = 1133445705952. Its totient is φ = 565326980640.

The previous prime is 849037375189. The next prime is 849037375231. The reversal of 849037375209 is 902573730948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 849037375209 - 2⁹ = 849037374697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849057375209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174481204 + ... + 174486069.

It is an arithmetic number, because the mean of its divisors is an integer number (141680713244).

Almost surely, 2^849037375209 is an apocalyptic number.

It is an amenable number.

849037375209 is a deficient number, since it is larger than the sum of its proper divisors (284408330743).

849037375209 is a wasteful number, since it uses less digits than its factorization.

849037375209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348968087.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 849037375209 in words is "eight hundred forty-nine billion, thirty-seven million, three hundred seventy-five thousand, two hundred nine".