421452350171 has 2 divisors, whose sum is σ = 421452350172. Its totient is φ = 421452350170.

The previous prime is 421452350147. The next prime is 421452350191. The reversal of 421452350171 is 171053254124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421452350171 - 2¹⁴ = 421452333787 is a prime.

It is not a weakly prime, because it can be changed into another prime (421452350191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210726175085 + 210726175086.

It is an arithmetic number, because the mean of its divisors is an integer number (210726175086).

Almost surely, 2^421452350171 is an apocalyptic number.

421452350171 is a deficient number, since it is larger than the sum of its proper divisors (1).

421452350171 is an equidigital number, since it uses as much as digits as its factorization.

421452350171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 421452350171 in words is "four hundred twenty-one billion, four hundred fifty-two million, three hundred fifty thousand, one hundred seventy-one".