424067646647 has 2 divisors, whose sum is σ = 424067646648. Its totient is φ = 424067646646.

The previous prime is 424067646589. The next prime is 424067646649. The reversal of 424067646647 is 746646760424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424067646647 - 2²⁶ = 424000537783 is a prime.

Together with 424067646649, 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 = 424067646592 and 424067646601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424067646649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212033823323 + 212033823324.

It is an arithmetic number, because the mean of its divisors is an integer number (212033823324).

Almost surely, 2^424067646647 is an apocalyptic number.

424067646647 is a deficient number, since it is larger than the sum of its proper divisors (1).

424067646647 is an equidigital number, since it uses as much as digits as its factorization.

424067646647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 56.

The spelling of 424067646647 in words is "four hundred twenty-four billion, sixty-seven million, six hundred forty-six thousand, six hundred forty-seven".