421734382283 has 2 divisors, whose sum is σ = 421734382284. Its totient is φ = 421734382282.

The previous prime is 421734382271. The next prime is 421734382301. The reversal of 421734382283 is 382283437124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421734382283 - 2¹² = 421734378187 is a prime.

It is not a weakly prime, because it can be changed into another prime (421734382183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210867191141 + 210867191142.

It is an arithmetic number, because the mean of its divisors is an integer number (210867191142).

Almost surely, 2^421734382283 is an apocalyptic number.

421734382283 is a deficient number, since it is larger than the sum of its proper divisors (1).

421734382283 is an equidigital number, since it uses as much as digits as its factorization.

421734382283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 47.

The spelling of 421734382283 in words is "four hundred twenty-one billion, seven hundred thirty-four million, three hundred eighty-two thousand, two hundred eighty-three".