424047479 has 2 divisors, whose sum is σ = 424047480. Its totient is φ = 424047478.

The previous prime is 424047457. The next prime is 424047487. The reversal of 424047479 is 974740424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424047479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424047409) 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, 212023739 + 212023740.

It is an arithmetic number, because the mean of its divisors is an integer number (212023740).

Almost surely, 2^424047479 is an apocalyptic number.

424047479 is a deficient number, since it is larger than the sum of its proper divisors (1).

424047479 is an equidigital number, since it uses as much as digits as its factorization.

424047479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 424047479 is about 20592.4131417374. The cubic root of 424047479 is about 751.2851914157.

The spelling of 424047479 in words is "four hundred twenty-four million, forty-seven thousand, four hundred seventy-nine".