42404226047 has 2 divisors, whose sum is σ = 42404226048. Its totient is φ = 42404226046.

The previous prime is 42404226019. The next prime is 42404226071. The reversal of 42404226047 is 74062240424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42404226047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42404225998 and 42404226016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42404226547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202113023 + 21202113024.

It is an arithmetic number, because the mean of its divisors is an integer number (21202113024).

Almost surely, 2^42404226047 is an apocalyptic number.

42404226047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42404226047 is an equidigital number, since it uses as much as digits as its factorization.

42404226047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 35.

The spelling of 42404226047 in words is "forty-two billion, four hundred four million, two hundred twenty-six thousand, forty-seven".