421001300017 has 2 divisors, whose sum is σ = 421001300018. Its totient is φ = 421001300016.

The previous prime is 421001300011. The next prime is 421001300029. The reversal of 421001300017 is 710003100124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310069671921 + 110931628096 = 556839^2 + 333064^2 .

It is a cyclic number.

It is not a de Polignac number, because 421001300017 - 2¹⁵ = 421001267249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421001299967 and 421001300003.

It is not a weakly prime, because it can be changed into another prime (421001300011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210500650008 + 210500650009.

It is an arithmetic number, because the mean of its divisors is an integer number (210500650009).

Almost surely, 2^421001300017 is an apocalyptic number.

It is an amenable number.

421001300017 is a deficient number, since it is larger than the sum of its proper divisors (1).

421001300017 is an equidigital number, since it uses as much as digits as its factorization.

421001300017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The spelling of 421001300017 in words is "four hundred twenty-one billion, one million, three hundred thousand, seventeen".