424521728107 has 2 divisors, whose sum is σ = 424521728108. Its totient is φ = 424521728106.

The previous prime is 424521728047. The next prime is 424521728153. The reversal of 424521728107 is 701827125424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424521728107 is a prime.

It is not a weakly prime, because it can be changed into another prime (424521728167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212260864053 + 212260864054.

It is an arithmetic number, because the mean of its divisors is an integer number (212260864054).

Almost surely, 2^424521728107 is an apocalyptic number.

424521728107 is a deficient number, since it is larger than the sum of its proper divisors (1).

424521728107 is an equidigital number, since it uses as much as digits as its factorization.

424521728107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 424521728107 in words is "four hundred twenty-four billion, five hundred twenty-one million, seven hundred twenty-eight thousand, one hundred seven".