421325430325469 has 2 divisors, whose sum is σ = 421325430325470. Its totient is φ = 421325430325468.

The previous prime is 421325430325447. The next prime is 421325430325519. The reversal of 421325430325469 is 964523034523124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323136396240025 + 98189034085444 = 17975995^2 + 9909038^2 .

It is a cyclic number.

It is not a de Polignac number, because 421325430325469 - 2³⁶ = 421256710848733 is a prime.

It is a super-2 number, since 2×421325430325469² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421325430325469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421325430325439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210662715162734 + 210662715162735.

It is an arithmetic number, because the mean of its divisors is an integer number (210662715162735).

Almost surely, 2^{421325430325469} is an apocalyptic number.

It is an amenable number.

421325430325469 is a deficient number, since it is larger than the sum of its proper divisors (1).

421325430325469 is an equidigital number, since it uses as much as digits as its factorization.

421325430325469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 421325430325469 in words is "four hundred twenty-one trillion, three hundred twenty-five billion, four hundred thirty million, three hundred twenty-five thousand, four hundred sixty-nine".