2543670153 has 12 divisors (see below), whose sum is σ = 3710569668. Its totient is φ = 1678989600.

The previous prime is 2543670149. The next prime is 2543670161. The reversal of 2543670153 is 3510763452.

2543670153 is a `hidden beast` number, since 2 + 5 + 436 + 70 + 153 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1282212864 + 1261457289 = 35808^2 + 35517^2 .

It is not a de Polignac number, because 2543670153 - 2² = 2543670149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543670133) 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, 1398250 + ... + 1400067.

It is an arithmetic number, because the mean of its divisors is an integer number (309214139).

Almost surely, 2^2543670153 is an apocalyptic number.

It is an amenable number.

2543670153 is a deficient number, since it is larger than the sum of its proper divisors (1166899515).

2543670153 is a wasteful number, since it uses less digits than its factorization.

2543670153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798424 (or 2798421 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 2543670153 is about 50434.8109245985. The cubic root of 2543670153 is about 1365.0658375039.

The spelling of 2543670153 in words is "two billion, five hundred forty-three million, six hundred seventy thousand, one hundred fifty-three".