442020404047 has 2 divisors, whose sum is σ = 442020404048. Its totient is φ = 442020404046.

The previous prime is 442020404011. The next prime is 442020404053. The reversal of 442020404047 is 740404020244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442020404047 - 2³⁵ = 407660665679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442020404647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221010202023 + 221010202024.

It is an arithmetic number, because the mean of its divisors is an integer number (221010202024).

Almost surely, 2^442020404047 is an apocalyptic number.

442020404047 is a deficient number, since it is larger than the sum of its proper divisors (1).

442020404047 is an equidigital number, since it uses as much as digits as its factorization.

442020404047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28672, while the sum is 31.

The spelling of 442020404047 in words is "four hundred forty-two billion, twenty million, four hundred four thousand, forty-seven".