2421043430143 has 4 divisors (see below), whose sum is σ = 2607277540168. Its totient is φ = 2234809320120.

The previous prime is 2421043430083. The next prime is 2421043430147. The reversal of 2421043430143 is 3410343401242.

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

It is not a de Polignac number, because 2421043430143 - 2²⁹ = 2420506559231 is a prime.

It is a super-2 number, since 2×2421043430143² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421043430147) 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, 93117054993 + ... + 93117055018.

It is an arithmetic number, because the mean of its divisors is an integer number (651819385042).

Almost surely, 2^{2421043430143} is an apocalyptic number.

2421043430143 is a deficient number, since it is larger than the sum of its proper divisors (186234110025).

2421043430143 is a wasteful number, since it uses less digits than its factorization.

2421043430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186234110024.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2421043430143 its reverse (3410343401242), we get a palindrome (5831386831385).

The spelling of 2421043430143 in words is "two trillion, four hundred twenty-one billion, forty-three million, four hundred thirty thousand, one hundred forty-three".