42004425103 has 2 divisors, whose sum is σ = 42004425104. Its totient is φ = 42004425102.

The previous prime is 42004425101. The next prime is 42004425143. The reversal of 42004425103 is 30152440024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42004425103 - 2¹ = 42004425101 is a prime.

Together with 42004425101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42004425101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002212551 + 21002212552.

It is an arithmetic number, because the mean of its divisors is an integer number (21002212552).

Almost surely, 2^42004425103 is an apocalyptic number.

42004425103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42004425103 is an equidigital number, since it uses as much as digits as its factorization.

42004425103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 42004425103 its reverse (30152440024), we get a palindrome (72156865127).

The spelling of 42004425103 in words is "forty-two billion, four million, four hundred twenty-five thousand, one hundred three".