42000228047 has 2 divisors, whose sum is σ = 42000228048. Its totient is φ = 42000228046.

The previous prime is 42000228043. The next prime is 42000228071. The reversal of 42000228047 is 74082200024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42000228047 - 2² = 42000228043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42000228043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21000114023 + 21000114024.

It is an arithmetic number, because the mean of its divisors is an integer number (21000114024).

Almost surely, 2^42000228047 is an apocalyptic number.

42000228047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42000228047 is an equidigital number, since it uses as much as digits as its factorization.

42000228047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

The spelling of 42000228047 in words is "forty-two billion, two hundred twenty-eight thousand, forty-seven".