424374316409 has 2 divisors, whose sum is σ = 424374316410. Its totient is φ = 424374316408.

The previous prime is 424374316381. The next prime is 424374316417. The reversal of 424374316409 is 904613473424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286495774009 + 137878542400 = 535253^2 + 371320^2 .

It is a cyclic number.

It is not a de Polignac number, because 424374316409 - 2⁸ = 424374316153 is a prime.

It is not a weakly prime, because it can be changed into another prime (424374316439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212187158204 + 212187158205.

It is an arithmetic number, because the mean of its divisors is an integer number (212187158205).

Almost surely, 2^424374316409 is an apocalyptic number.

It is an amenable number.

424374316409 is a deficient number, since it is larger than the sum of its proper divisors (1).

424374316409 is an equidigital number, since it uses as much as digits as its factorization.

424374316409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 424374316409 in words is "four hundred twenty-four billion, three hundred seventy-four million, three hundred sixteen thousand, four hundred nine".