849554941 has 4 divisors (see below), whose sum is σ = 849621852. Its totient is φ = 849488032.

The previous prime is 849554911. The next prime is 849554987. The reversal of 849554941 is 149455948.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 83649316 + 765905625 = 9146^2 + 27675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849554941 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849554911) 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, 7906 + ... + 41971.

It is an arithmetic number, because the mean of its divisors is an integer number (212405463).

Almost surely, 2^849554941 is an apocalyptic number.

It is an amenable number.

849554941 is a deficient number, since it is larger than the sum of its proper divisors (66911).

849554941 is a wasteful number, since it uses less digits than its factorization.

849554941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66910.

The product of its digits is 1036800, while the sum is 49.

The square root of 849554941 is about 29147.1257759663. The cubic root of 849554941 is about 947.1028788105.

It can be divided in two parts, 8495 and 54941, that added together give a palindrome (63436).

The spelling of 849554941 in words is "eight hundred forty-nine million, five hundred fifty-four thousand, nine hundred forty-one".