2544020653 has 16 divisors (see below), whose sum is σ = 2667303936. Its totient is φ = 2424003120.

The previous prime is 2544020569. The next prime is 2544020659. The reversal of 2544020653 is 3560204452.

It is a cyclic number.

It is not a de Polignac number, because 2544020653 - 2¹³ = 2544012461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544020659) 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 15 ways as a sum of consecutive naturals, for example, 667050 + ... + 670852.

It is an arithmetic number, because the mean of its divisors is an integer number (166706496).

Almost surely, 2^2544020653 is an apocalyptic number.

It is an amenable number.

2544020653 is a deficient number, since it is larger than the sum of its proper divisors (123283283).

2544020653 is a wasteful number, since it uses less digits than its factorization.

2544020653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2544020653 is about 50438.2855874384. The cubic root of 2544020653 is about 1365.1285334738.

The spelling of 2544020653 in words is "two billion, five hundred forty-four million, twenty thousand, six hundred fifty-three".