42846828488897 has 2 divisors, whose sum is σ = 42846828488898. Its totient is φ = 42846828488896.

The previous prime is 42846828488881. The next prime is 42846828488909. The reversal of 42846828488897 is 79888482864824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27104351841856 + 15742476647041 = 5206184^2 + 3967679^2 .

It is a cyclic number.

It is not a de Polignac number, because 42846828488897 - 2⁴ = 42846828488881 is a prime.

It is not a weakly prime, because it can be changed into another prime (42846828484897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423414244448 + 21423414244449.

It is an arithmetic number, because the mean of its divisors is an integer number (21423414244449).

Almost surely, 2^{42846828488897} is an apocalyptic number.

It is an amenable number.

42846828488897 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846828488897 is an equidigital number, since it uses as much as digits as its factorization.

42846828488897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25367150592, while the sum is 86.

The spelling of 42846828488897 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred twenty-eight million, four hundred eighty-eight thousand, eight hundred ninety-seven".