850049919 has 12 divisors (see below), whose sum is σ = 1228224816. Its totient is φ = 566526912.

The previous prime is 850049899. The next prime is 850049923. The reversal of 850049919 is 919940058.

It is not a de Polignac number, because 850049919 - 2⁹ = 850049407 is a prime.

It is a super-2 number, since 2×850049919² = 1445169729583813122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850049999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21367 + ... + 46439.

It is an arithmetic number, because the mean of its divisors is an integer number (102352068).

Almost surely, 2^850049919 is an apocalyptic number.

850049919 is a deficient number, since it is larger than the sum of its proper divisors (378174897).

850049919 is a wasteful number, since it uses less digits than its factorization.

850049919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846 (or 28843 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 850049919 is about 29155.6155654447. The cubic root of 850049919 is about 947.2867806202.

The spelling of 850049919 in words is "eight hundred fifty million, forty-nine thousand, nine hundred nineteen".