421334452127 has 2 divisors, whose sum is σ = 421334452128. Its totient is φ = 421334452126.

The previous prime is 421334452093. The next prime is 421334452169. The reversal of 421334452127 is 721254433124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421334452127 - 2¹⁰ = 421334451103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421334452327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210667226063 + 210667226064.

It is an arithmetic number, because the mean of its divisors is an integer number (210667226064).

Almost surely, 2^421334452127 is an apocalyptic number.

421334452127 is a deficient number, since it is larger than the sum of its proper divisors (1).

421334452127 is an equidigital number, since it uses as much as digits as its factorization.

421334452127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 38.

The spelling of 421334452127 in words is "four hundred twenty-one billion, three hundred thirty-four million, four hundred fifty-two thousand, one hundred twenty-seven".