42210232447 has 2 divisors, whose sum is σ = 42210232448. Its totient is φ = 42210232446.

The previous prime is 42210232417. The next prime is 42210232469. The reversal of 42210232447 is 74423201224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42210232447 - 2¹¹ = 42210230399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42210232417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105116223 + 21105116224.

It is an arithmetic number, because the mean of its divisors is an integer number (21105116224).

Almost surely, 2^42210232447 is an apocalyptic number.

42210232447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42210232447 is an equidigital number, since it uses as much as digits as its factorization.

42210232447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The spelling of 42210232447 in words is "forty-two billion, two hundred ten million, two hundred thirty-two thousand, four hundred forty-seven".