419520239 has 2 divisors, whose sum is σ = 419520240. Its totient is φ = 419520238.

The previous prime is 419520197. The next prime is 419520259. The reversal of 419520239 is 932025914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 419520239 - 2²⁴ = 402743023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 419520199 and 419520208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419520259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209760119 + 209760120.

It is an arithmetic number, because the mean of its divisors is an integer number (209760120).

Almost surely, 2^419520239 is an apocalyptic number.

419520239 is a deficient number, since it is larger than the sum of its proper divisors (1).

419520239 is an equidigital number, since it uses as much as digits as its factorization.

419520239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 419520239 is about 20482.1932175243. The cubic root of 419520239 is about 748.6019817532.

The spelling of 419520239 in words is "four hundred nineteen million, five hundred twenty thousand, two hundred thirty-nine".