535821849 has 6 divisors (see below), whose sum is σ = 773964906. Its totient is φ = 357214560.

The previous prime is 535821817. The next prime is 535821851. The reversal of 535821849 is 948128535.

535821849 is a `hidden beast` number, since 53 + 582 + 18 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 521894025 + 13927824 = 22845^2 + 3732^2 .

It is not a de Polignac number, because 535821849 - 2⁵ = 535821817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (535821859) 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, 29767872 + ... + 29767889.

It is an arithmetic number, because the mean of its divisors is an integer number (128994151).

Almost surely, 2^535821849 is an apocalyptic number.

It is an amenable number.

535821849 is a deficient number, since it is larger than the sum of its proper divisors (238143057).

535821849 is a wasteful number, since it uses less digits than its factorization.

535821849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59535767 (or 59535764 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 535821849 is about 23147.8260102326. The cubic root of 535821849 is about 812.2196139903.

The spelling of 535821849 in words is "five hundred thirty-five million, eight hundred twenty-one thousand, eight hundred forty-nine".