42005050547 has 2 divisors, whose sum is σ = 42005050548. Its totient is φ = 42005050546.

The previous prime is 42005050517. The next prime is 42005050613. The reversal of 42005050547 is 74505050024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42005050547 - 2¹⁴ = 42005034163 is a prime.

It is not a weakly prime, because it can be changed into another prime (42005050517) 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, 21002525273 + 21002525274.

It is an arithmetic number, because the mean of its divisors is an integer number (21002525274).

Almost surely, 2^42005050547 is an apocalyptic number.

42005050547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005050547 is an equidigital number, since it uses as much as digits as its factorization.

42005050547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 32.

The spelling of 42005050547 in words is "forty-two billion, five million, fifty thousand, five hundred forty-seven".