419822947 has 2 divisors, whose sum is σ = 419822948. Its totient is φ = 419822946.

The previous prime is 419822869. The next prime is 419822969. The reversal of 419822947 is 749228914.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-419822947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 419822897 and 419822906.

It is not a weakly prime, because it can be changed into another prime (419822047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209911473 + 209911474.

It is an arithmetic number, because the mean of its divisors is an integer number (209911474).

Almost surely, 2^419822947 is an apocalyptic number.

419822947 is a deficient number, since it is larger than the sum of its proper divisors (1).

419822947 is an equidigital number, since it uses as much as digits as its factorization.

419822947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 419822947 is about 20489.5814256905. The cubic root of 419822947 is about 748.7819916041.

The spelling of 419822947 in words is "four hundred nineteen million, eight hundred twenty-two thousand, nine hundred forty-seven".