419946847 has 2 divisors, whose sum is σ = 419946848. Its totient is φ = 419946846.

The previous prime is 419946829. The next prime is 419946871. The reversal of 419946847 is 748649914.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419946847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 419946794 and 419946803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419946827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209973423 + 209973424.

It is an arithmetic number, because the mean of its divisors is an integer number (209973424).

Almost surely, 2^419946847 is an apocalyptic number.

419946847 is a deficient number, since it is larger than the sum of its proper divisors (1).

419946847 is an equidigital number, since it uses as much as digits as its factorization.

419946847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 419946847 is about 20492.6046904731. The cubic root of 419946847 is about 748.8556456403.

It can be divided in two parts, 41994 and 6847, that added together give a square (48841 = 221²).

The spelling of 419946847 in words is "four hundred nineteen million, nine hundred forty-six thousand, eight hundred forty-seven".