428603107393 has 2 divisors, whose sum is σ = 428603107394. Its totient is φ = 428603107392.

The previous prime is 428603107369. The next prime is 428603107403. The reversal of 428603107393 is 393701306824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283570095169 + 145033012224 = 532513^2 + 380832^2 .

It is a cyclic number.

It is not a de Polignac number, because 428603107393 - 2¹³ = 428603099201 is a prime.

It is not a weakly prime, because it can be changed into another prime (428603107333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214301553696 + 214301553697.

It is an arithmetic number, because the mean of its divisors is an integer number (214301553697).

Almost surely, 2^428603107393 is an apocalyptic number.

It is an amenable number.

428603107393 is a deficient number, since it is larger than the sum of its proper divisors (1).

428603107393 is an equidigital number, since it uses as much as digits as its factorization.

428603107393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 428603107393 in words is "four hundred twenty-eight billion, six hundred three million, one hundred seven thousand, three hundred ninety-three".