849941253 has 12 divisors (see below), whose sum is σ = 1403077728. Its totient is φ = 485680680.

The previous prime is 849941249. The next prime is 849941273. The reversal of 849941253 is 352149948.

It is not a de Polignac number, because 849941253 - 2² = 849941249 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 849941199 and 849941208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849941233) 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, 6745503 + ... + 6745628.

It is an arithmetic number, because the mean of its divisors is an integer number (116923144).

Almost surely, 2^849941253 is an apocalyptic number.

It is an amenable number.

849941253 is a deficient number, since it is larger than the sum of its proper divisors (553136475).

849941253 is a wasteful number, since it uses less digits than its factorization.

849941253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13491144 (or 13491141 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 849941253 is about 29153.7519540796. The cubic root of 849941253 is about 947.2464134803.

The spelling of 849941253 in words is "eight hundred forty-nine million, nine hundred forty-one thousand, two hundred fifty-three".