424817479 has 2 divisors, whose sum is σ = 424817480. Its totient is φ = 424817478.

The previous prime is 424817431. The next prime is 424817501. The reversal of 424817479 is 974718424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424817479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424817279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212408739 + 212408740.

It is an arithmetic number, because the mean of its divisors is an integer number (212408740).

Almost surely, 2^424817479 is an apocalyptic number.

424817479 is a deficient number, since it is larger than the sum of its proper divisors (1).

424817479 is an equidigital number, since it uses as much as digits as its factorization.

424817479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The square root of 424817479 is about 20611.1008682215. The cubic root of 424817479 is about 751.7396529495.

The spelling of 424817479 in words is "four hundred twenty-four million, eight hundred seventeen thousand, four hundred seventy-nine".