849110309915 has 48 divisors (see below), whose sum is σ = 1224793880352. Its totient is φ = 563034157056.

The previous prime is 849110309897. The next prime is 849110309923. The reversal of 849110309915 is 519903011948.

It is not a de Polignac number, because 849110309915 - 2²⁰ = 849109261339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1190267 + ... + 1764923.

It is an arithmetic number, because the mean of its divisors is an integer number (25516539174).

Almost surely, 2^849110309915 is an apocalyptic number.

849110309915 is a deficient number, since it is larger than the sum of its proper divisors (375683570437).

849110309915 is a wasteful number, since it uses less digits than its factorization.

849110309915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574876 (or 574869 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 849110309915 in words is "eight hundred forty-nine billion, one hundred ten million, three hundred nine thousand, nine hundred fifteen".