428248274459 has 2 divisors, whose sum is σ = 428248274460. Its totient is φ = 428248274458.

The previous prime is 428248274449. The next prime is 428248274501. The reversal of 428248274459 is 954472842824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428248274459 - 2⁸ = 428248274203 is a prime.

It is a super-2 number, since 2×428248274459² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428248274398 and 428248274407.

It is not a weakly prime, because it can be changed into another prime (428248274449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214124137229 + 214124137230.

It is an arithmetic number, because the mean of its divisors is an integer number (214124137230).

Almost surely, 2^428248274459 is an apocalyptic number.

428248274459 is a deficient number, since it is larger than the sum of its proper divisors (1).

428248274459 is an equidigital number, since it uses as much as digits as its factorization.

428248274459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41287680, while the sum is 59.

The spelling of 428248274459 in words is "four hundred twenty-eight billion, two hundred forty-eight million, two hundred seventy-four thousand, four hundred fifty-nine".