420082469 has 2 divisors, whose sum is σ = 420082470. Its totient is φ = 420082468.

The previous prime is 420082451. The next prime is 420082471. The reversal of 420082469 is 964280024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238857025 + 181225444 = 15455^2 + 13462^2 .

It is a cyclic number.

It is not a de Polignac number, because 420082469 - 2⁸ = 420082213 is a prime.

It is a super-2 number, since 2×420082469² = 352938561522271922, which contains 22 as substring.

Together with 420082471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420082769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210041234 + 210041235.

It is an arithmetic number, because the mean of its divisors is an integer number (210041235).

Almost surely, 2^420082469 is an apocalyptic number.

It is an amenable number.

420082469 is a deficient number, since it is larger than the sum of its proper divisors (1).

420082469 is an equidigital number, since it uses as much as digits as its factorization.

420082469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 420082469 is about 20495.9134707385. The cubic root of 420082469 is about 748.9362513725.

The spelling of 420082469 in words is "four hundred twenty million, eighty-two thousand, four hundred sixty-nine".