428019350413 has 2 divisors, whose sum is σ = 428019350414. Its totient is φ = 428019350412.

The previous prime is 428019350359. The next prime is 428019350417. The reversal of 428019350413 is 314053910824.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239318596804 + 188700753609 = 489202^2 + 434397^2 .

It is a cyclic number.

It is not a de Polignac number, because 428019350413 - 2³⁷ = 290580396941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428019350417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214009675206 + 214009675207.

It is an arithmetic number, because the mean of its divisors is an integer number (214009675207).

Almost surely, 2^428019350413 is an apocalyptic number.

It is an amenable number.

428019350413 is a deficient number, since it is larger than the sum of its proper divisors (1).

428019350413 is an equidigital number, since it uses as much as digits as its factorization.

428019350413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 428019350413 in words is "four hundred twenty-eight billion, nineteen million, three hundred fifty thousand, four hundred thirteen".