428860838251 has 2 divisors, whose sum is σ = 428860838252. Its totient is φ = 428860838250.

The previous prime is 428860838207. The next prime is 428860838299. The reversal of 428860838251 is 152838068824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428860838251 - 2¹³ = 428860830059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428860838192 and 428860838201.

It is not a weakly prime, because it can be changed into another prime (428860838851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214430419125 + 214430419126.

It is an arithmetic number, because the mean of its divisors is an integer number (214430419126).

Almost surely, 2^428860838251 is an apocalyptic number.

428860838251 is a deficient number, since it is larger than the sum of its proper divisors (1).

428860838251 is an equidigital number, since it uses as much as digits as its factorization.

428860838251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 428860838251 in words is "four hundred twenty-eight billion, eight hundred sixty million, eight hundred thirty-eight thousand, two hundred fifty-one".