42435421241 has 4 divisors (see below), whose sum is σ = 43338302592. Its totient is φ = 41532539892.

The previous prime is 42435421229. The next prime is 42435421253. The reversal of 42435421241 is 14212453424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42435421229) and next prime (42435421253).

It is a cyclic number.

It is not a de Polignac number, because 42435421241 - 2¹⁰ = 42435420217 is a prime.

It is a super-2 number, since 2×42435421241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42435421198 and 42435421207.

It is not an unprimeable number, because it can be changed into a prime (42435421211) 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, 451440605 + ... + 451440698.

It is an arithmetic number, because the mean of its divisors is an integer number (10834575648).

Almost surely, 2^42435421241 is an apocalyptic number.

It is an amenable number.

42435421241 is a deficient number, since it is larger than the sum of its proper divisors (902881351).

42435421241 is an equidigital number, since it uses as much as digits as its factorization.

42435421241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902881350.

The product of its digits is 30720, while the sum is 32.

Adding to 42435421241 its reverse (14212453424), we get a palindrome (56647874665).

The spelling of 42435421241 in words is "forty-two billion, four hundred thirty-five million, four hundred twenty-one thousand, two hundred forty-one".