421420017283 has 2 divisors, whose sum is σ = 421420017284. Its totient is φ = 421420017282.

The previous prime is 421420017247. The next prime is 421420017323. The reversal of 421420017283 is 382710024124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421420017283 - 2¹³ = 421420009091 is a prime.

It is not a weakly prime, because it can be changed into another prime (421420017223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210710008641 + 210710008642.

It is an arithmetic number, because the mean of its divisors is an integer number (210710008642).

Almost surely, 2^421420017283 is an apocalyptic number.

421420017283 is a deficient number, since it is larger than the sum of its proper divisors (1).

421420017283 is an equidigital number, since it uses as much as digits as its factorization.

421420017283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 421420017283 in words is "four hundred twenty-one billion, four hundred twenty million, seventeen thousand, two hundred eighty-three".