420410369 has 2 divisors, whose sum is σ = 420410370. Its totient is φ = 420410368.

The previous prime is 420410311. The next prime is 420410381. The reversal of 420410369 is 963014024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237160000 + 183250369 = 15400^2 + 13537^2 .

It is a cyclic number.

It is not a de Polignac number, because 420410369 - 2²⁸ = 151974913 is a prime.

It is a super-2 number, since 2×420410369² = 353489756725432322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420410569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210205184 + 210205185.

It is an arithmetic number, because the mean of its divisors is an integer number (210205185).

Almost surely, 2^420410369 is an apocalyptic number.

It is an amenable number.

420410369 is a deficient number, since it is larger than the sum of its proper divisors (1).

420410369 is an equidigital number, since it uses as much as digits as its factorization.

420410369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 420410369 is about 20503.9110659406. The cubic root of 420410369 is about 749.1310641747.

The spelling of 420410369 in words is "four hundred twenty million, four hundred ten thousand, three hundred sixty-nine".