42342421430401 has 4 divisors (see below), whose sum is σ = 43708305992704. Its totient is φ = 40976536868100.

The previous prime is 42342421430381. The next prime is 42342421430437. The reversal of 42342421430401 is 10403412424324.

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 a cyclic number.

It is not a de Polignac number, because 42342421430401 - 2⁵ = 42342421430369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342421439401) 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, 682942281105 + ... + 682942281166.

It is an arithmetic number, because the mean of its divisors is an integer number (10927076498176).

Almost surely, 2^{42342421430401} is an apocalyptic number.

It is an amenable number.

42342421430401 is a deficient number, since it is larger than the sum of its proper divisors (1365884562303).

42342421430401 is a wasteful number, since it uses less digits than its factorization.

42342421430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365884562302.

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

Adding to 42342421430401 its reverse (10403412424324), we get a palindrome (52745833854725).

The spelling of 42342421430401 in words is "forty-two trillion, three hundred forty-two billion, four hundred twenty-one million, four hundred thirty thousand, four hundred one".