849995413 has 6 divisors (see below), whose sum is σ = 873150434. Its totient is φ = 826850016.

The previous prime is 849995401. The next prime is 849995441. The reversal of 849995413 is 314599948.

It can be written as a sum of positive squares in 3 ways, for example, as 623101444 + 226893969 = 24962^2 + 15063^2 .

It is a de Polignac number, because none of the positive numbers 2^k-849995413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849995483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174945 + ... + 179737.

Almost surely, 2^849995413 is an apocalyptic number.

It is an amenable number.

849995413 is a deficient number, since it is larger than the sum of its proper divisors (23155021).

849995413 is an frugal number, since it uses more digits than its factorization.

849995413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623 (or 4830 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The square root of 849995413 is about 29154.6808077194. The cubic root of 849995413 is about 947.2665332145.

The spelling of 849995413 in words is "eight hundred forty-nine million, nine hundred ninety-five thousand, four hundred thirteen".