2421514255243 has 4 divisors (see below), whose sum is σ = 2548962373960. Its totient is φ = 2294066136528.

The previous prime is 2421514255241. The next prime is 2421514255261. The reversal of 2421514255243 is 3425524151242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2421514255243 - 2¹ = 2421514255241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421514255196 and 2421514255205.

It is not an unprimeable number, because it can be changed into a prime (2421514255241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63724059330 + ... + 63724059367.

It is an arithmetic number, because the mean of its divisors is an integer number (637240593490).

Almost surely, 2^{2421514255243} is an apocalyptic number.

2421514255243 is a deficient number, since it is larger than the sum of its proper divisors (127448118717).

2421514255243 is a wasteful number, since it uses less digits than its factorization.

2421514255243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127448118716.

The product of its digits is 384000, while the sum is 40.

The spelling of 2421514255243 in words is "two trillion, four hundred twenty-one billion, five hundred fourteen million, two hundred fifty-five thousand, two hundred forty-three".