424616947 has 2 divisors, whose sum is σ = 424616948. Its totient is φ = 424616946.

The previous prime is 424616917. The next prime is 424616957. The reversal of 424616947 is 749616424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424616947 is a prime.

It is not a weakly prime, because it can be changed into another prime (424616917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212308473 + 212308474.

It is an arithmetic number, because the mean of its divisors is an integer number (212308474).

Almost surely, 2^424616947 is an apocalyptic number.

424616947 is a deficient number, since it is larger than the sum of its proper divisors (1).

424616947 is an equidigital number, since it uses as much as digits as its factorization.

424616947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 424616947 is about 20606.2356339046. The cubic root of 424616947 is about 751.6213499217.

The spelling of 424616947 in words is "four hundred twenty-four million, six hundred sixteen thousand, nine hundred forty-seven".