424499947 has 2 divisors, whose sum is σ = 424499948. Its totient is φ = 424499946.

The previous prime is 424499903. The next prime is 424499989. The reversal of 424499947 is 749994424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424499947 - 2¹⁵ = 424467179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424499894 and 424499903.

It is not a weakly prime, because it can be changed into another prime (424499147) 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, 212249973 + 212249974.

It is an arithmetic number, because the mean of its divisors is an integer number (212249974).

Almost surely, 2^424499947 is an apocalyptic number.

424499947 is a deficient number, since it is larger than the sum of its proper divisors (1).

424499947 is an equidigital number, since it uses as much as digits as its factorization.

424499947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The square root of 424499947 is about 20603.3964918409. The cubic root of 424499947 is about 751.5523090470.

The spelling of 424499947 in words is "four hundred twenty-four million, four hundred ninety-nine thousand, nine hundred forty-seven".