442104004061 has 2 divisors, whose sum is σ = 442104004062. Its totient is φ = 442104004060.

The previous prime is 442104004019. The next prime is 442104004063. The reversal of 442104004061 is 160400401244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310639022500 + 131464981561 = 557350^2 + 362581^2 .

It is a cyclic number.

It is not a de Polignac number, because 442104004061 - 2³⁰ = 441030262237 is a prime.

Together with 442104004063, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442104004061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442104004063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221052002030 + 221052002031.

It is an arithmetic number, because the mean of its divisors is an integer number (221052002031).

Almost surely, 2^442104004061 is an apocalyptic number.

It is an amenable number.

442104004061 is a deficient number, since it is larger than the sum of its proper divisors (1).

442104004061 is an equidigital number, since it uses as much as digits as its factorization.

442104004061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 442104004061 in words is "four hundred forty-two billion, one hundred four million, four thousand, sixty-one".