428586147049 has 2 divisors, whose sum is σ = 428586147050. Its totient is φ = 428586147048.

The previous prime is 428586147047. The next prime is 428586147089. The reversal of 428586147049 is 940741685824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410855360400 + 17730786649 = 640980^2 + 133157^2 .

It is a cyclic number.

It is not a de Polignac number, because 428586147049 - 2¹ = 428586147047 is a prime.

Together with 428586147047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 428586146984 and 428586147002.

It is not a weakly prime, because it can be changed into another prime (428586147047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214293073524 + 214293073525.

It is an arithmetic number, because the mean of its divisors is an integer number (214293073525).

Almost surely, 2^428586147049 is an apocalyptic number.

It is an amenable number.

428586147049 is a deficient number, since it is larger than the sum of its proper divisors (1).

428586147049 is an equidigital number, since it uses as much as digits as its factorization.

428586147049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 428586147049 in words is "four hundred twenty-eight billion, five hundred eighty-six million, one hundred forty-seven thousand, forty-nine".