424360019 has 2 divisors, whose sum is σ = 424360020. Its totient is φ = 424360018.

The previous prime is 424359997. The next prime is 424360021. The reversal of 424360019 is 910063424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424360019 is a prime.

It is a super-2 number, since 2×424360019² = 360162851451360722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 424360021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 424359973 and 424360000.

It is not a weakly prime, because it can be changed into another prime (424362019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212180009 + 212180010.

It is an arithmetic number, because the mean of its divisors is an integer number (212180010).

Almost surely, 2^424360019 is an apocalyptic number.

424360019 is a deficient number, since it is larger than the sum of its proper divisors (1).

424360019 is an equidigital number, since it uses as much as digits as its factorization.

424360019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 424360019 is about 20600.0004611650. Note that the first 3 decimals coincide. The cubic root of 424360019 is about 751.4697218607.

The spelling of 424360019 in words is "four hundred twenty-four million, three hundred sixty thousand, nineteen".