428009101393 has 2 divisors, whose sum is σ = 428009101394. Its totient is φ = 428009101392.

The previous prime is 428009101379. The next prime is 428009101453. The reversal of 428009101393 is 393101900824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381124726609 + 46884374784 = 617353^2 + 216528^2 .

It is a cyclic number.

It is not a de Polignac number, because 428009101393 - 2⁹ = 428009100881 is a prime.

It is not a weakly prime, because it can be changed into another prime (428009101343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214004550696 + 214004550697.

It is an arithmetic number, because the mean of its divisors is an integer number (214004550697).

Almost surely, 2^428009101393 is an apocalyptic number.

It is an amenable number.

428009101393 is a deficient number, since it is larger than the sum of its proper divisors (1).

428009101393 is an equidigital number, since it uses as much as digits as its factorization.

428009101393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 428009101393 in words is "four hundred twenty-eight billion, nine million, one hundred one thousand, three hundred ninety-three".