424224219971 has 2 divisors, whose sum is σ = 424224219972. Its totient is φ = 424224219970.

The previous prime is 424224219917. The next prime is 424224220009. The reversal of 424224219971 is 179912422424.

Together with previous prime (424224219917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424224219971 is a prime.

It is not a weakly prime, because it can be changed into another prime (424224219271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212112109985 + 212112109986.

It is an arithmetic number, because the mean of its divisors is an integer number (212112109986).

Almost surely, 2^424224219971 is an apocalyptic number.

424224219971 is a deficient number, since it is larger than the sum of its proper divisors (1).

424224219971 is an equidigital number, since it uses as much as digits as its factorization.

424224219971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The spelling of 424224219971 in words is "four hundred twenty-four billion, two hundred twenty-four million, two hundred nineteen thousand, nine hundred seventy-one".