849719713 has 4 divisors (see below), whose sum is σ = 850082580. Its totient is φ = 849356848.

The previous prime is 849719683. The next prime is 849719719. The reversal of 849719713 is 317917948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122500624 + 727219089 = 11068^2 + 26967^2 .

It is a cyclic number.

It is not a de Polignac number, because 849719713 - 2⁵ = 849719681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849719719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177898 + ... + 182611.

It is an arithmetic number, because the mean of its divisors is an integer number (212520645).

Almost surely, 2^849719713 is an apocalyptic number.

It is an amenable number.

849719713 is a deficient number, since it is larger than the sum of its proper divisors (362867).

849719713 is a wasteful number, since it uses less digits than its factorization.

849719713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362866.

The product of its digits is 381024, while the sum is 49.

The square root of 849719713 is about 29149.9521955011. The cubic root of 849719713 is about 947.1641053579.

The spelling of 849719713 in words is "eight hundred forty-nine million, seven hundred nineteen thousand, seven hundred thirteen".