421734168883 has 2 divisors, whose sum is σ = 421734168884. Its totient is φ = 421734168882.

The previous prime is 421734168871. The next prime is 421734168887. The reversal of 421734168883 is 388861437124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421734168883 - 2³⁷ = 284295215411 is a prime.

It is not a weakly prime, because it can be changed into another prime (421734168887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210867084441 + 210867084442.

It is an arithmetic number, because the mean of its divisors is an integer number (210867084442).

Almost surely, 2^421734168883 is an apocalyptic number.

421734168883 is a deficient number, since it is larger than the sum of its proper divisors (1).

421734168883 is an equidigital number, since it uses as much as digits as its factorization.

421734168883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 55.

The spelling of 421734168883 in words is "four hundred twenty-one billion, seven hundred thirty-four million, one hundred sixty-eight thousand, eight hundred eighty-three".