253849002849 has 12 divisors (see below), whose sum is σ = 394876226836. Its totient is φ = 156214770912.

The previous prime is 253849002821. The next prime is 253849002851. The reversal of 253849002849 is 948200948352.

253849002849 is a `hidden beast` number, since 2 + 538 + 49 + 0 + 0 + 28 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 167886867600 + 85962135249 = 409740^2 + 293193^2 .

It is not a de Polignac number, because 253849002849 - 2¹⁶ = 253848937313 is a prime.

It is a super-2 number, since 2×253849002849² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253849002795 and 253849002804.

It is not an unprimeable number, because it can be changed into a prime (253849002149) 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, 1084824682 + ... + 1084824915.

Almost surely, 2^253849002849 is an apocalyptic number.

It is an amenable number.

253849002849 is a deficient number, since it is larger than the sum of its proper divisors (141027223987).

253849002849 is a wasteful number, since it uses less digits than its factorization.

253849002849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169649616 (or 2169649613 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 253849002849 in words is "two hundred fifty-three billion, eight hundred forty-nine million, two thousand, eight hundred forty-nine".