420104329 has 2 divisors, whose sum is σ = 420104330. Its totient is φ = 420104328.

The previous prime is 420104317. The next prime is 420104351. The reversal of 420104329 is 923401024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254338704 + 165765625 = 15948^2 + 12875^2 .

It is a cyclic number.

It is not a de Polignac number, because 420104329 - 2¹¹ = 420102281 is a prime.

It is not a weakly prime, because it can be changed into another prime (420104369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210052164 + 210052165.

It is an arithmetic number, because the mean of its divisors is an integer number (210052165).

Almost surely, 2^420104329 is an apocalyptic number.

It is an amenable number.

420104329 is a deficient number, since it is larger than the sum of its proper divisors (1).

420104329 is an equidigital number, since it uses as much as digits as its factorization.

420104329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 420104329 is about 20496.4467408378. The cubic root of 420104329 is about 748.9492420459.

The spelling of 420104329 in words is "four hundred twenty million, one hundred four thousand, three hundred twenty-nine".