42004425101 has 2 divisors, whose sum is σ = 42004425102. Its totient is φ = 42004425100.

The previous prime is 42004425053. The next prime is 42004425103. The reversal of 42004425101 is 10152440024.

42004425101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37618542025 + 4385883076 = 193955^2 + 66226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42004425101 is a prime.

Together with 42004425103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42004425103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002212550 + 21002212551.

It is an arithmetic number, because the mean of its divisors is an integer number (21002212551).

Almost surely, 2^42004425101 is an apocalyptic number.

It is an amenable number.

42004425101 is a deficient number, since it is larger than the sum of its proper divisors (1).

42004425101 is an equidigital number, since it uses as much as digits as its factorization.

42004425101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 42004425101 its reverse (10152440024), we get a palindrome (52156865125).

The spelling of 42004425101 in words is "forty-two billion, four million, four hundred twenty-five thousand, one hundred one".