2544243213 has 8 divisors (see below), whose sum is σ = 3392987776. Its totient is φ = 1695830400.

The previous prime is 2544243209. The next prime is 2544243257. The reversal of 2544243213 is 3123424452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2544243213 - 2² = 2544243209 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 (2544243293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64453 + ... + 96138.

It is an arithmetic number, because the mean of its divisors is an integer number (424123472).

Almost surely, 2^2544243213 is an apocalyptic number.

It is an amenable number.

2544243213 is a deficient number, since it is larger than the sum of its proper divisors (848744563).

2544243213 is a wasteful number, since it uses less digits than its factorization.

2544243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165875.

The product of its digits is 23040, while the sum is 30.

The square root of 2544243213 is about 50440.4917997436. The cubic root of 2544243213 is about 1365.1683410839.

Adding to 2544243213 its reverse (3123424452), we get a palindrome (5667667665).

The spelling of 2544243213 in words is "two billion, five hundred forty-four million, two hundred forty-three thousand, two hundred thirteen".