849311253 has 12 divisors (see below), whose sum is σ = 1402037728. Its totient is φ = 485320680.

The previous prime is 849311251. The next prime is 849311261. The reversal of 849311253 is 352113948.

849311253 is a `hidden beast` number, since 8 + 493 + 112 + 53 = 666.

It is not a de Polignac number, because 849311253 - 2¹ = 849311251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849311251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6740503 + ... + 6740628.

Almost surely, 2^849311253 is an apocalyptic number.

It is an amenable number.

849311253 is a deficient number, since it is larger than the sum of its proper divisors (552726475).

849311253 is a wasteful number, since it uses less digits than its factorization.

849311253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481144 (or 13481141 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 849311253 is about 29142.9451668839. The cubic root of 849311253 is about 947.0123138703.

The spelling of 849311253 in words is "eight hundred forty-nine million, three hundred eleven thousand, two hundred fifty-three".