428088654317 has 2 divisors, whose sum is σ = 428088654318. Its totient is φ = 428088654316.

The previous prime is 428088654307. The next prime is 428088654319. The reversal of 428088654317 is 713456880824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288013615561 + 140075038756 = 536669^2 + 374266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428088654317 is a prime.

Together with 428088654319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428088654319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214044327158 + 214044327159.

It is an arithmetic number, because the mean of its divisors is an integer number (214044327159).

Almost surely, 2^428088654317 is an apocalyptic number.

It is an amenable number.

428088654317 is a deficient number, since it is larger than the sum of its proper divisors (1).

428088654317 is an equidigital number, since it uses as much as digits as its factorization.

428088654317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 428088654317 in words is "four hundred twenty-eight billion, eighty-eight million, six hundred fifty-four thousand, three hundred seventeen".