2421432341242 has 4 divisors (see below), whose sum is σ = 3632148511866. Its totient is φ = 1210716170620.

The previous prime is 2421432341233. The next prime is 2421432341243.

2421432341242 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 2384494960761 + 36937380481 = 1544181^2 + 192191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2421432341198 and 2421432341207.

It is not an unprimeable number, because it can be changed into a prime (2421432341243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605358085309 + ... + 605358085312.

Almost surely, 2^{2421432341242} is an apocalyptic number.

2421432341242 is a deficient number, since it is larger than the sum of its proper divisors (1210716170624).

2421432341242 is a wasteful number, since it uses less digits than its factorization.

2421432341242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210716170623.

The product of its digits is 73728, while the sum is 34.

The spelling of 2421432341242 in words is "two trillion, four hundred twenty-one billion, four hundred thirty-two million, three hundred forty-one thousand, two hundred forty-two".