42210410647 has 2 divisors, whose sum is σ = 42210410648. Its totient is φ = 42210410646.

The previous prime is 42210410611. The next prime is 42210410689. The reversal of 42210410647 is 74601401224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42210410647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42210410747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105205323 + 21105205324.

It is an arithmetic number, because the mean of its divisors is an integer number (21105205324).

Almost surely, 2^42210410647 is an apocalyptic number.

42210410647 is a deficient number, since it is larger than the sum of its proper divisors (1).

42210410647 is an equidigital number, since it uses as much as digits as its factorization.

42210410647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 42210410647 in words is "forty-two billion, two hundred ten million, four hundred ten thousand, six hundred forty-seven".