42442404047 has 2 divisors, whose sum is σ = 42442404048. Its totient is φ = 42442404046.

The previous prime is 42442404013. The next prime is 42442404073. The reversal of 42442404047 is 74040424424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42442404047 - 2⁸ = 42442403791 is a prime.

It is a super-2 number, since 2×42442404047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42442403998 and 42442404016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42442404007) 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, 21221202023 + 21221202024.

It is an arithmetic number, because the mean of its divisors is an integer number (21221202024).

Almost surely, 2^42442404047 is an apocalyptic number.

42442404047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42442404047 is an equidigital number, since it uses as much as digits as its factorization.

42442404047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114688, while the sum is 35.

The spelling of 42442404047 in words is "forty-two billion, four hundred forty-two million, four hundred four thousand, forty-seven".