428021459713 has 2 divisors, whose sum is σ = 428021459714. Its totient is φ = 428021459712.

The previous prime is 428021459669. The next prime is 428021459717. The reversal of 428021459713 is 317954120824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421607371969 + 6414087744 = 649313^2 + 80088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428021459713 is a prime.

It is not a weakly prime, because it can be changed into another prime (428021459717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214010729856 + 214010729857.

It is an arithmetic number, because the mean of its divisors is an integer number (214010729857).

Almost surely, 2^428021459713 is an apocalyptic number.

It is an amenable number.

428021459713 is a deficient number, since it is larger than the sum of its proper divisors (1).

428021459713 is an equidigital number, since it uses as much as digits as its factorization.

428021459713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 428021459713 in words is "four hundred twenty-eight billion, twenty-one million, four hundred fifty-nine thousand, seven hundred thirteen".